machine that converts other forms of energy into mechanical energy and so imparts motion

an engine shaft with cams attached to it

wheelwork consisting of a connected set of rotating gears by which force is transmitted or motion or torque is changed

the operator of a railway locomotive

the engine that powers and aircraft

the engine that propels an automobile

(nautical) a small engine (as one used on board ships to operate a windlass)

engine that converts mechanical energy into electrical energy by electromagnetic induction

any engine that makes use of heat to do work

an engine shaft with cams attached to it

wheelwork consisting of a connected set of rotating gears by which force is transmitted or motion or torque is changed