catapult

(noun) a plaything consisting of a Y-shaped stick with elastic between the arms; used to propel small stones. Synonyms: slingshot, sling.

(noun) a device that launches aircraft from a warship. Synonyms: launcher.

(noun) an engine that provided medieval artillery used during sieges; a heavy war engine for hurling large stones and other missiles. Synonyms: arbalest, arbalist, ballista, bricole, mangonel, onager, trebuchet, trebucket.

(verb) shoot forth or launch, as if from a catapult. Example: "The enemy catapulted rocks towards the fort."

(verb) hurl as if with a sling. Synonyms: sling.