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engine

[en-juh n] /ˈɛn dʒən/
noun
1.
a machine for converting thermal energy into mechanical energy or power to produce force and motion.
2.
a railroad locomotive.
3.
4.
any mechanical contrivance.
5.
a machine or instrument used in warfare, as a battering ram, catapult, or piece of artillery.
6.
Obsolete. an instrument of torture, especially the rack.
Origin
1250-1300
1250-1300; Middle English engin < Anglo-French, Old French < Latin ingenium nature, innate quality, especially mental power, hence a clever invention, equivalent to in- in-2 + -genium, equivalent to gen- begetting (see kin) + -ium -ium
Related forms
engineless, adjective
multiengine, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for multiengine

engine

/ˈɛndʒɪn/
noun
1.
any machine designed to convert energy, esp heat energy, into mechanical work: a steam engine, a petrol engine
2.
  1. a railway locomotive
  2. (as modifier): the engine cab
3.
(military) any of various pieces of equipment formerly used in warfare, such as a battering ram or gun
4.
(obsolete) any instrument or device: engines of torture
Word Origin
C13: from Old French engin, from Latin ingenium nature, talent, ingenious contrivance, from in-² + -genium, related to gignere to beget, produce
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for multiengine

engine

n.

c.1300, "mechanical device," also "skill, craft," from Old French engin "skill, cleverness," also "trick, deceit, stratagem; war machine" (12c.), from Latin ingenium "inborn qualities, talent" (see ingenious). At first meaning a trick or device, or any machine (especially military); sense of "device that converts energy to mechanical power" is 18c., especially of steam engines.

Online Etymology Dictionary, © 2010 Douglas Harper
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multiengine in Science
engine
  (ěn'jĭn)   
A machine that turns energy into mechanical force or motion, especially one that gets its energy from a source of heat, such as the burning of a fuel. The efficiency of an engine is the ratio between the kinetic energy produced by the machine and the energy needed to produce it. See more at internal-combustion engine, steam engine., See also motor.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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