Căt'a-pŭlt, n.

noun

n. [Lat. catapulta, Gr. καταπέλτης, prob. from καταπάλλειν, from κατά, down, and πάλλειν, to shake, hurl.] (Mil. Antiq.) An engine used by the ancient Greeks and Romans for throwing stones, arrows, &c. Mitford.

An old-fashioned catapult mounted on a wooden frame.
Catapult.