[n] medieval artillery used during sieges; a heavy war engine for hurling large stones
[n] a plaything consisting of a Y-shaped stick with elastic between the arms; used to propel small stones
[n] a device that launches aircraft from a warship
[v] hurl as if with a sling
[v] shoot forth or launch, as if from a catapult; "the enemy catapulted rocks towards the fort"