/ Thesaurus / T Synonyms of trebucket Find synonyms for: Noun1. catapult, arbalest, arbalist, ballista, bricole, mangonel, onager, trebuchet, trebucket, engineusage: an engine that provided medieval artillery used during sieges; a heavy war engine for hurling large stones and other missilesWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: candor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language