cannon

A complete assembly, consisting of an artillery tube and a breech mechanism, firing mechanism or base cap, which is a component of a gun, howitzer or mortar. It may include muzzle appendages.

Any similar device for shooting material out of a tube.

(military, chiefly aviation) An autocannon.

A bone of a horse's leg, between the fetlock joint and the knee or hock.

A cannon bit.

(historical) A large muzzle-loading artillery piece.

(sports, billiards, snooker, pool) A carom.

(baseball, figuratively, informal) The arm of a player who can throw well.

(engineering) A hollow cylindrical piece carried by a revolving shaft, on which it may, however, revolve independently.

(historical) A cylindrical item of plate armor protecting the arm, particularly one of a pair of such cylinders worn with a couter, the upper cannon protecting the upper arm and the lower cannon protecting the forearm.

(printing, uncountable) Alternative form of canon (“a large size of type”)

(xiangqi) A piece which moves horizontally and vertically like a rook but captures another piece by jumping over a different piece in the line of attack.

(US, slang) A pickpocket.