(1):

(n.) Anything used to effect a purpose; any device or contrivance; an agent.

(2):

(n.) (Pronounced, in this sense, ////.) Natural capacity; ability; skill.

(3):

(v. t.) To equip with an engine; - said especially of steam vessels; as, vessels are often built by one firm and engined by another.

(4):

(n.) A compound machine by which any physical power is applied to produce a given physical effect.

(5):

(n.) Any instrument by which any effect is produced; especially, an instrument or machine of war or torture.

(6):

(v. t.) (Pronounced, in this sense, /////.) To rack; to torture.

(7):

(v. t.) To assault with an engine.