(military) A kind of traces with hooks and rings, used to drag manoeuvre guns where horses cannot be used.
(military, historical) An ancient kind of military catapult.
In real 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, (figurative) an indirect action or stroke.
(billiards) A shot in which the cue ball is initially driven against the cushion.