bal·lis·ta

a siege engine
catapult
stone thrower

Synonyms for ballista

trebuchettum – a siege engine, a trebuchet

Similar to ballista

balsamam – balsam gum, balsam tree
balneum – bath, bathhouse, bathing
balteus – girdle
balneator – keeper of a bathhouse
balnearius – bathhouse, pertaining to the bathhouse
balbus – fumbling, stammering, stuttering
balbutio – speak obscurely, stammer, to stutter