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English definition of “engine”

engine

noun [C]     /ˈendʒɪn/
MACHINE A2 the part of a vehicle that uses energy from oil , electricity , or steam to make it move : a diesel engine Please turn your engine off while waiting in the queue .The engine and engine partsEngines and motors
TRAIN the part of a train that pulls it along → See also fire engine, search engineTrains and parts of trains
(Definition of engine noun from the Cambridge Learner's Dictionary © Cambridge University Press)

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