(1):
(n.) A shot in which the cue ball is driven first against the cushion.
(2):
(n.) In court tennis, the rebound of a ball from a wall of the court; also, the side stroke or play by which the ball is driven against the wall; hence, fig., indirect action or stroke.
(3):
(n.) A kind of traces with hooks and rings, with which men drag and maneuver guns where horses can not be used.
(4):
(n.) An ancient kind of military catapult.