Search references for SPACE ENGINE. Phrases containing SPACE ENGINE
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Astronomy computer program
SpaceEngine is an interactive 3D planetarium and astronomy software initially developed by Russian astronomer and programmer Vladimir Romanyuk and released
SpaceEngine
Topics referred to by the same term
Space engine may mean: Rocket engine, which can be used to propel spacecraft SpaceEngine, a 3D astronomy program and game engine This disambiguation page
Space_engine
Space Shuttle and SLS main engine
as the Space Shuttle Main Engine (SSME), is a liquid-fuel cryogenic rocket engine that was used on NASA's Space Shuttle and is used on the Space Launch
RS-25
SpaceX family of liquid-fuel rocket engines
Raptor is a family of rocket engines developed and manufactured by SpaceX. It is the third rocket engine in history designed with a full-flow staged combustion
SpaceX_Raptor
Canadian aerospace company
Space Engine Systems Inc. (SES) is a Canadian aerospace company and is located in Edmonton, Alberta, Canada. The main focus of the company is the development
Space_Engine_Systems
Reusable superheavy-lift general-purpose launch vehicle
stage that was very similar to Starship's. SpaceNews noted that the Chinese start-up Space Epoch and engine maker Jiuzhou Yunjian were developing a smaller
SpaceX_Starship
Rocket engines developed by SpaceX
Since the founding of SpaceX in 2002, the company has developed four families of rocket engines — Merlin, Kestrel, Draco and SuperDraco — and since 2016
SpaceX_rocket_engines
Form of electric spacecraft propulsion
propulsion engine for low-mass robotic space vehicles (such as Deep Space 1 and Dawn), and serving as propulsion thrusters for crewed spacecraft and space stations
Ion_thruster
American launch vehicle manufacturer
space companies. In March 2018, Relativity Space signed a 20-year lease at the Stennis Space Center to test engine components and eventually full-scale test
Relativity_Space
Synergetic Air Breathing Rocket Engine - a proposed hybrid ramjet and rocket engine
Rocket Engine) was a concept under development by Reaction Engines Limited for a hypersonic precooled hybrid air-breathing rocket engine. The engine was
SABRE_(rocket_engine)
Partially reusable launch system and space plane
flown Space Shuttle main engines, solid rocket boosters, and Orbital Maneuvering System engines. They are refurbished legacy engines from the Space Shuttle
Space_Shuttle
Topics referred to by the same term
Space Shuttle engine may refer to: AJ10, engine mounted on the Space Shuttle Orbital Maneuvering System RS-25, engine mounted on the Space Shuttle orbiter
Space_Shuttle_engine
Type of rocket engine
nozzle engines. Aerospike engines were proposed for many single-stage-to-orbit (SSTO) designs. They were a contender for the Space Shuttle main engine. However
Aerospike_engine
Rocket engine in SpaceX Falcon launch vehicles
Merlin is a family of rocket engines developed by SpaceX. They are currently a part of the Falcon 9 and Falcon Heavy launch vehicles, and were formerly
SpaceX_Merlin
Nuclear spacecraft propulsion technology
administration before being cancelled. In June 2025, the European Space Agency proposed its own NTP engine, called Alumni. At the same time, another form of nuclear
Nuclear_thermal_rocket
Aircraft and rocket engine manufacturer based in France
Aircraft Engines, previously Snecma (Société nationale d'études et de construction de moteurs d'aviation) or Snecma Moteurs, is a French aerospace engine manufacturer
Safran_Aircraft_Engines
Non-airbreathing engine used to propel a missile or vehicle
A rocket engine, also known as a rocket motor, is a reaction engine, producing thrust in accordance with Newton's third law by ejecting reaction mass rearward
Rocket_engine
Closed-cycle regenerative heat engine
fluid (e.g. air) is heated by energy supplied from outside the engine's interior space (cylinder). As the fluid expands, mechanical work is extracted
Stirling_engine
List of launches of SpaceX's fully reusable Starship
tiles."". Ars Technica. Retrieved September 9, 2025. @SpaceX (May 22, 2026). "Starship's Raptor engines ignite during hot-staging separation" (Tweet) – via
List_of_Starship_launches
Method used to accelerate spacecraft
keeping, precision pointing, and orbital maneuvering. The main engines used in space provide the primary propulsive force for orbit transfer, planetary
Spacecraft_propulsion
Video game graphics engine
Voxel Space was a voxel raster graphics rendering engine invented by NovaLogic developer and vice-president of technology, Kyle Freeman. The company was
Voxel_Space
US Nuclear thermal rocket engine project (1956–1973)
technology base for nuclear rocket engine systems to be utilized in the design and development of propulsion systems for space mission application". It was
NERVA
Line of hypergolic liquid rocket engines by SpaceX
The SpaceX Draco is a hypergolic liquid rocket engine designed and built by SpaceX for use in their space capsules. Two engine types have been built to
SpaceX_Draco
American aerospace company
pad 41 at the Cape Canaveral Space Force Station in Cape Canaveral, Florida, United States. The two BE-4 rocket engines worked as expected. In 2024, the
Blue_Origin
American aerospace company
prototype of their second stage engine ring. Their prototype had at least 22 static fires in total. In 2023, Stoke Space had an interview with Tim Dodd
Stoke_Space
Search engines, including web search engines, selection-based search engines, metasearch engines, desktop search tools, and web portals and vertical market
List_of_search_engines
Element representing a value on a grid in three dimensional space
"voxel engine", when applied to computer games, commonly referred to a ray casting engine (for example the Voxel Space engine). On the engine technology
Voxel
Internal combustion engine
straight-six engines in most light automotive applications. Due to their high and smooth torque, simplicity and reliability, weight and space, and balanced
Straight-six_engine
American video game developer
release that utilized the Voxel Space engine, which allowed for larger outdoor environments and more detailed terrain. The engine was conceived by electrical
NovaLogic
Rocket engine used on the Saturn V rocket
such a large engine. However, the recently created National Aeronautics and Space Administration (NASA) appreciated the usefulness of an engine with so much
Rocketdyne_F-1
Video game engine developed by id Software
engine was immediately forked. Much of the engine remained in Quake II and Quake III Arena. The Quake engine, like the Doom engine, uses binary space
Quake_engine
Engine that uses steam to perform mechanical work
A steam engine is a heat engine that performs mechanical work using steam as its working fluid. The steam engine uses the force produced by steam pressure
Steam_engine
Liquid-fueled rocket engine
"Rutherford Engine Qualified for Flight". Rocket Lab. March 2016. Archived from the original on 25 April 2016. Retrieved 19 September 2016. "New Zealand space launch
Rutherford_(rocket_engine)
Reusable medium-lift launch vehicle
to create an aerospike engine-like effect for improved efficiency.[citation needed] The vehicle was selected as part of the Space Force's Orbital Services
Stoke_Space_Nova
Framework for developing 3D applications written in C++
Space 1.2 Released by Corvus Elrod on The Escapist (8 October 2007) Cohen, Peter (2003-02-03). "SourceForge highlights Crystal Space 3D game engine"
Crystal_Space
Machine that converts one or more forms of energy into mechanical energy (of motion)
An engine or motor is a machine designed to convert one or more forms of energy into mechanical energy. Available energy sources include potential energy
Engine
Propulsion system creating motion without propellant
claim, tying their appeal to the rocket equation and to the desire for a space engine that avoids the mass penalties of conventional rocketry. Winchell Chung
Reactionless_drive
Video game remake
all whom had worked on titles within the Dead Space series. The remake was built in the Frostbite Engine, rebuilding all the systems from scratch for it
Dead_Space_(2023_video_game)
launched the Pandora small space telescope to study exoplanet atmospheres. The same Falcon 9 flight also carried two CubeSat-type space telescopes by NASA: SPARCS
2026_in_spaceflight
2011 video game
Warhammer 40,000: Space Marine is a 2011 third-person shooter hack and slash video game developed by Relic Entertainment and published by THQ. The game
Warhammer 40,000: Space Marine
Warhammer_40,000:_Space_Marine
British aerospace company based in Oxfordshire, England
principal Rolls-Royce engineers from the RB545 engine project). The company conducted research into space propulsion systems, centred on the development
Reaction_Engines
French rocket engine
2006-12-16. "Vulcain 2 engine now in full production". European Space Agency. 2005-04-05. Retrieved 2006-12-16. "Ariane 5 Data Sheet". Space Launch Report. 2005-11-29
Vulcain_(rocket_engine)
NASA Space Shuttle safety procedures
situations in which the orbiter could not land on a runway. The three Space Shuttle main engines (SSMEs) were ignited roughly 6.6 seconds before liftoff, and computers
Space_Shuttle_abort_modes
Single-stage-to-orbit spaceplane
European Space Agency (ESA) contract. The British government pledged £60 million to the project on 16 July 2013 to allow a prototype of the SABRE engine to
Skylon_(spacecraft)
Hypothetical travel between stars or planetary systems
November 2015. Retrieved 11 August 2016. "NASA Team Claims 'Impossible' Space Engine Works—Get the Facts". National Geographic News. 21 November 2016. Archived
Interstellar_travel
Type of rocket engine
use in space launch vehicles. In May 2016, a team of researchers affiliated with the US Air Force developed a rotating detonation rocket engine operating
Rotating_detonation_engine
rocket engine data and specifications. Comparison of orbital launch systems Comparison of orbital launchers families Comparison of crewed space vehicles
Comparison of orbital rocket engines
Comparison_of_orbital_rocket_engines
Device claimed to be a propellantless spacecraft thruster
Drive Is About to Be Tested in Space". sciencealert.com. Retrieved 9 October 2017. "NASA Team Claims 'Impossible' Space Engine Works—Get the Facts". National
EmDrive
Liquid fuel cryogenic rocket engine, typically used on rocket upper stages
the engine. The RL10 was the first liquid hydrogen rocket engine to be built in the United States, with development of the engine by Marshall Space Flight
RL10
Family of rocket engines developed by SpaceX for use on its Falcon 1 launch vehicles
The SpaceX Kestrel was an LOX/RP-1 pressure-fed rocket engine. The Kestrel engine was developed in the 2000s by SpaceX for upper stage use on the Falcon
SpaceX_Kestrel
Family of V8 and V6 engines
The General Motors LS-based small-block engines are a family of V8 and offshoot V6 engines designed and manufactured by the American automotive company
General Motors LS-based small-block engine
General_Motors_LS-based_small-block_engine
Vehicle engine whose crankshaft axis is perpendicular to the direction of travel
transverse engines were developed for armored vehicles, with the Soviet T-44 and T-54/T-55 tanks being equipped with transverse engines to save space within
Transverse_engine
Rocket engine
the engine powering Talon-A. Another initial customer, Phantom Space Corporation, plans to use Hadley on their Daytona small-lift rocket. ABL Space Systems
Hadley_engine
Reusable spacecraft under development by SpaceX
through 3 feature three sea-level engines, as well as three engines optimized for operation in the vacuum of space, called RVacs. Block 4 ships are expected
SpaceX_Starship_(spacecraft)
Partially-reusable medium-lift launch vehicle by SpaceX
Space Station (ISS). Flight 4, CRS-1 — first operational ISS cargo mission; demonstrated engine-out capability following a first-stage Merlin engine failure
Falcon_9
Space where the propulsion machinery is installed aboard a ship
compartment of the machinery space. It houses the vessel's prime mover, usually some variations of a heat engine (steam engine, diesel engine, gas or steam turbine)
Engine_room
Software system for finding relevant information on the Web
A search engine is a software system that provides hyperlinks to web pages, and other relevant information on the Web in response to a user's query. Users
Search_engine
American spaceflight and AI company
The SpaceX Rocket Development and Test Facility in McGregor, Texas, is used for rocket engine development and testing. Every SpaceX rocket engine and
SpaceX
Series of I6 and V8 engines built by Chrysler
The Chrysler Hemi engine, known by the trademark Hemi or HEMI, is a series of high-performance American overhead valve V8 engines built by Chrysler with
Chrysler_Hemi_engine
Branch of astronomy
technology currently available. Some of the best candidates for future deep space engine technologies include nuclear fusion propulsion, laser/maser propulsion
Deep_space_exploration
American space company
employee No.1 at SpaceX and principal engineer of the Merlin and Draco rocket engines that power the Falcon 9 and Dragon spacecraft. Impulse Space designs and
Impulse_Space
American aerospace company
agreement with Space Florida to launch from the Florida "Space Coast". Firefly performed its first hot-fire engine test of the "Firefly Rocket Engine Research
Firefly_Aerospace
Component of the Space Shuttle launch vehicle
the Space Shuttle program. Later flights will switch to a cheaper version of the engine not intended for reuse. MPTA-ET is on display with the Space Shuttle
Space_Shuttle_external_tank
Methalox spacecraft propulsion system
Prometheus rocket engine is an ongoing European Space Agency (ESA) development effort begun in 2017 to create a reusable methane-fueled rocket engine for use on
Prometheus_(rocket_engine)
American super heavy-lift expendable rocket
the Marshall Space Flight Center in Huntsville, Alabama. The rocket used the powerful F-1 and J-2 rocket engines. When all five F-1 engines of the first
Saturn_V
Jet engine where combustion takes place in supersonic airflow
(supersonic combustion ramjet) is a variant of a ramjet airbreathing jet engine in which combustion takes place in supersonic airflow. As in ramjets, a
Scramjet
Family of rocket engines developed by SpaceX for use on its Crewed Dragon spacecraft
rocket engine designed and built by SpaceX. It is part of the SpaceX Draco family of rocket engines. A redundant array of eight SuperDraco engines provides
SuperDraco
American experimental spaceplane
engine detail of SpaceShipOne (more information). SpaceShipOne takes off SpaceShipOne landing after its June 21, 2004 space flight (Flight 15P) SpaceShipOne
SpaceShipOne
Engine in which fuel combusts with an oxidizer
An internal combustion engine (ICE or IC engine) is a heat engine in which the combustion of a fuel occurs with an oxidizer (usually air) in a combustion
Internal_combustion_engine
NASA engineer and physicist (born 1965)
Drive Is About to Be Tested in Space". sciencealert.com. Retrieved 9 October 2017. "NASA Team Claims 'Impossible' Space Engine Works—Get the Facts". National
Harold_G._White
Robot that can rearrange its own parts
performance for particular tasks. Space Engine Displacement Space Engine Displacement Space Engine Zero-gravity cell design Space Engine gravity cell design The
Self-reconfiguring modular robot
Self-reconfiguring_modular_robot
Investigation of outer space
Space exploration is the physical investigation of outer space by uncrewed robotic space probes and through human spaceflight. While the observation of
Space_exploration
Aircraft engine manufacturer
name, and space in their building. This was the beginning of the Pratt & Whitney Aircraft Company. Pratt & Whitney Aircraft's first engine, the 425-horsepower
Pratt_&_Whitney
Reciprocating internal combustion engine
with cast iron, and is of a closed deck design (no open space between the bores). The engine is a 60 degree V6 design. It uses multi-port fuel injection
Toyota_MZ_engine
Type of electric propulsion
the European Space Agency, Iranian Space Agency and Australian National University, who co-developed a double layer thruster. Plasma engines were first
Plasma_propulsion_engine
German long-range ballistic missile
Stafford Air & Space Museum in Weatherford, Oklahoma. One engine at the U.S. Space & Rocket Center in Huntsville, Alabama. Two engines at the National
V-2_rocket
1959 US attempted satellite
during a pre-launch static firing. The P-1 spacecraft and an Able IV space engine were not present on the launch vehicle when it exploded, and were later
Pioneer_P-1
century. Front-engine, four-wheel-drive layout. Advantage of front engine design is better cabin space for passengers, and also bigger boot space. Disadvantage
Front-engine_design
Launch facilities used by SpaceX
SpaceX operates four launch facilities: Cape Canaveral Space Launch Complex 40 (SLC-40); and, Kennedy Space Center Launch Complex 39A (LC-39A) – both
SpaceX_facilities
Rocket engine
modernized version of the engine, the J-2X, was considered for use on the Earth Departure Stage of NASA's Space Shuttle replacement, the Space Launch System. Unlike
Rocketdyne_J-2
Reusable first-stage rocket developed by SpaceX
powered by 33 Raptor engines, which on Block 1 vehicles are housed within a dedicated shielding compartment. SpaceX upgraded the engines for their first Starship
SpaceX_Super_Heavy
Game engine by Crytek
CryEngine (stylized as CRYENGINE) is a game engine designed by the German game developer Crytek. It has been used in all of their titles with the initial
CryEngine
Liquid fueled rocket engine
engine in development[update] by Avio on behalf of European Space Agency for use on Vega E. The engine is a derivative of the Russian RD-0146 engine and
M10_(rocket_engine)
Former suborbital spaceplane for space tourism
altitude of 112 km (70 mi). SpaceShipTwo was designed to reach 4,200 km/h (2,600 mph), using a single hybrid rocket engine — the RocketMotorTwo. It launched
SpaceShipTwo
Rocket engine that uses liquid fuels and oxidizers
high tankage efficiency. A liquid rocket engine can also usually be reused for several flights, as in the Space Shuttle and Falcon 9 series rockets, although
Liquid-propellant_rocket
Aircraft engine that produces thrust by emitting a jet of gas
A jet engine is a type of reaction engine, discharging a fast-moving jet of heated gas (usually air) that generates thrust by jet propulsion. While this
Jet_engine
1993 game engine
sometimes radically expand the engine's functionality with new features. Although the engine renders a 3D space, that space is projected from a two-dimensional
Doom_engine
Rocket engine operation method
major engineering problems. The RS-25 Space Shuttle main engine is another example of a staged combustion engine, and the first to use liquid oxygen and
Staged_combustion_cycle
Liquid-fueled rocket engine
liquid-fueled cryogenic rocket engine that was planned for use on the Ares rockets of NASA's Constellation program, and later the Space Launch System. Built in
J-2X
Vehicle propelled by ejection of gases
oxygen from air; consequently a rocket can fly in the vacuum of space, indeed rocket engines operate more efficiently outside the atmosphere. Multistage rockets
Rocket
Large liquid methane fuelled staged-combustion rocket engine by Blue Origin
The BE-4 (Blue Engine 4) is a liquid rocket engine developed by Blue Origin. It uses liquefied methane fuel and operates on an oxygen-rich staged combustion
BE-4
Russian rocket engine
Двигатель-180 (РД-180), romanized: Raketnyy Dvigatel-180, lit. 'Rocket Engine-180') is a rocket engine that was designed and built in Russia. It features a dual combustion
RD-180
United Launch Alliance launch vehicle
to compete with SpaceX’s Falcon 9 and to comply with a Congressional mandate to phase out the use of the Russian-made RD-180 engine that powered the
Vulcan_Centaur
Liquid fuel rocket engine
portal Rocket Lab Neutron Rutherford (rocket engine) Curie (rocket engine) Merlin (rocket engine family) SpaceX Raptor "2022 Inverstor Day and Neutron Update"
Archimedes_(rocket_engine)
Indian national space and aeronautics agency
various satellites and deep space missions. ISRO has full launch capabilities with the ability to deploy cryogenic engines, launch extraterrestrial missions
ISRO
Reciprocating internal combustion engine
Mitsubishi Sirius or 4G6/4D6 engine is the name of one of Mitsubishi Motors' four series of inline-four automobile engines, along with Astron, Orion, and
Mitsubishi_Sirius_engine
American aerospace engineer and rocket engine designer
aerospace engineer and rocket engine designer. He was employee No.1 of SpaceX and is the founder and now CEO of Impulse Space. Mueller is best known for
Tom_Mueller
Private Spanish launch services provider
engine was tested in Spain, and the first time a private company in Europe tested a liquid rocket engine on its own facilities. As of 2018, PLD Space
PLD_Space
Range of vans and pickup trucks
aspirated diesel engine as an option; this was the first Delica so equipped in that market. Although the subsequent L400 Delica and Delica Space Gear were introduced
Mitsubishi_Delica
Rigid three-dimensional load-bearing truss structure
driver and to the engine difficult. The Mercedes-Benz 300 SL "Gullwing" received its iconic upward-opening doors when its tubular space frame made using
Space_frame
SPACE ENGINE
SPACE ENGINE
Boy/Male
Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Telugu
Space; Universe
Boy/Male
Hindu
Space
Surname or Lastname
English
English : from a vernacular short form of the Latin personal name Paschalis (see Pascal, Italian Pasquale).nickname for a mild-mannered and peaceable person, from Middle English pace, pece ‘peace’, ‘concord’, ‘amity’ (via Anglo-Norman French from Latin pax, genitive pacis).Italian : from the medieval personal name Pace, used for both men and women, from the word pace ‘peace’ (see 1).
Boy/Male
Bengali, Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Sindhi, Telugu
Limitless Space
Male
English
English surname transferred to forename use, derived from the French personal name Pascal, PACE means "Passover; Easter."
Boy/Male
Hindu
Space
Girl/Female
Tamil
Antariksha | அஂதரிகà¯à®·
Space, Sky
Antariksha | அஂதரிகà¯à®·
Surname or Lastname
English
English : nickname for a frugal person, from Middle English spare ‘sparing’, ‘frugal’.
Boy/Male
Tamil
Antariksh | அஂதரிகà¯à®·
Space
Antariksh | அஂதரிகà¯à®·
Boy/Male
Tamil
Antrix | அஂதà¯à®°à¯€à®•à¯à®·
Space
Antrix | அஂதà¯à®°à¯€à®•à¯à®·
Boy/Male
Hindu
Space
Surname or Lastname
English or Scottish
English or Scottish : unexplained.
Girl/Female
Indian, Japanese, Tamil
Space; Star
Surname or Lastname
English and Irish
English and Irish : variant of Stacey.
Boy/Male
Hindu, Indian
Space; Outer Space; Sky
Girl/Female
Hindu, Indian, Marathi
Space; Sky
Girl/Female
Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Sanskrit, Tamil, Telugu
Space; Sky
Boy/Male
Hindu, Indian
Space; Sky
Boy/Male
Tamil
Antareeksh | அஂதரீகà¯à®·
Space
Antareeksh | அஂதரீகà¯à®·
Girl/Female
Indian, Telugu
Space
SPACE ENGINE
SPACE ENGINE
Girl/Female
American, Arabic
Alive and Well; Alive; She who Lives
Girl/Female
German
Peace; Voyage; Courage
Boy/Male
Tamil
Bright
Girl/Female
Hindu, Indian
Who Shows Way
Boy/Male
Hindu
King of kings
Boy/Male
Hindu, Indian, Sanskrit
Under Control
Girl/Female
English
Dark.
Girl/Female
Tamil
Fire
Girl/Female
Tamil
Goddess Parvati
Surname or Lastname
English
English : habitational name from a place called High Edser in Ewhurst, Surrey.It is possible that in some cases the name may be an Americanized form of the German family name Etzel.
SPACE ENGINE
SPACE ENGINE
SPACE ENGINE
SPACE ENGINE
SPACE ENGINE
v. t.
To season with spice, or as with spice; to mix aromatic or pungent substances with; to flavor; to season; as, to spice wine; to spice one's words with wit.
v. t.
To dig with a spade; to pare off the sward of, as land, with a spade.
n.
One of the intervals, or open places, between the lines of the staff.
v. t.
To measure by steps or paces; as, to pace a piece of ground.
n.
The right of bowling again at a full set of pins, after having knocked all the pins down in less than three bowls. If all the pins are knocked down in one bowl it is a double spare; in two bowls, a single spare.
n.
The distance or interval between words or letters in the lines, or between lines, as in books.
n.
Space.
n.
To arrange or adjust the spaces in or between; as, to space words, lines, or letters.
adv.
With a quick pace; quick; fast; speedily.
n.
Figuratively, that which enriches or alters the quality of a thing in a small degree, as spice alters the taste of food; that which gives zest or pungency; a slight flavoring; a relish; hence, a small quantity or admixture; a sprinkling; as, a spice of mischief.
n.
A small piece of metal cast lower than a face type, so as not to receive the ink in printing, -- used to separate words or letters.
n.
One of that suit of cards each of which bears one or more figures resembling a spade.
v. t.
Held in reserve, to be used in an emergency; as, a spare anchor; a spare bed or room.
imp. & p. p.
of Space
n.
To walk; to rove; to roam.
v. t.
Scanty; not abundant or plentiful; as, a spare diet.
n.
Manner of stepping or moving; gait; walk; as, the walk, trot, canter, gallop, and amble are paces of the horse; a swaggering pace; a quick pace.
n.
A quantity or portion of extension; distance from one thing to another; an interval between any two or more objects; as, the space between two stars or two hills; the sound was heard for the space of a mile.
v. t.
Being over and above what is necessary, or what must be used or reserved; not wanted, or not used; superfluous; as, I have no spare time.
v. t.
To develop, guide, or control the pace or paces of; to teach the pace; to break in.