in mechanics, is a compound machine, made of one or more mechanical powers, as levers, pulleys, screws, &c., in order to raise, cast, or sustain any weight, or produce any effect which could not be easily effected otherwise. See MECHANICS.

Engine for extinguishing fires. See HYDROSTATICS, and HYDRAULICS.

Pile-Engine, one contrived for driving piles. See MECHANICS.

Steam-Engine, a machine to raise water by fire, or rather by the force of water turned into steam. See HYDROSTATICS, and HYDRAULICS.