noun

1. A large construction used in warfare, such as a battering ram, catapult etc.

2. A tool; a utensil or implement.

3. A complex mechanical device which converts energy into useful motion or physical effects.

Synonyms: locomotive, motor

verb

1. To equip with an engine; said especially of steam vessels.

   “Vessels are often built by one firm and engined by another.”

2. To assault with an engine.

3. To contrive; to put into action.