Open English Wordnet
Nouns
(n)slingshot, sling, catapulta plaything consisting of a Y-shaped stick with elastic between the arms; used to propel small stones (n)catapultan engine that provided medieval artillery used during sieges; a heavy war engine for hurling large stones and other missiles Verbs
(v)catapultshoot forth or launch, as if from a catapult“the enemy catapulted rocks towards the fort”