|Origin:||engin 'cleverness, machine', from Latin ingenium 'abilities you are born with'|
en‧gine S1 W2 [countable]
the part of a vehicle that produces power to make it move [↪ motor]
start/switch on an engine
The engine won't start.
stop/turn off/switch off an engine
He switched off the car's engine and waited.
Is the engine running smoothly?
diesel/petrol etc engine
an old steam engine
We were stranded with engine trouble on a deserted highway.
a vehicle that pulls a railway train
3 [usually singular] formal
something powerful that causes great changes in society
engine of change/growth etc
The Marshall Plan was the engine of postwar economic growth.
Rome's deadly war engine