Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun ballista

1 sense of ballista

Sense 1
catapult, arbalest, arbalist, ballista, bricole, mangonel, onager, trebuchet, trebucket -- (an engine that provided medieval artillery used during sieges; a heavy war engine for hurling large stones and other missiles)
       => engine -- (an instrument or machine that is used in warfare, such as a battering ram, catapult, artillery piece, etc.; "medieval engines of war")