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n. pl. bal·lis·tae (-tē′)
An ancient and medieval engine of warfare, usually having a design similar to a crossbow, used to hurl heavy projectiles.

[Latin, from Greek ballistēs, from ballein, to throw; see gwelə- in Indo-European roots.]


n, pl -tae (-tiː)
1. (Arms & Armour (excluding Firearms)) an ancient catapult for hurling stones, etc
2. (Arms & Armour (excluding Firearms)) an ancient form of large crossbow used to propel a spear
[C16: from Latin, ultimately from Greek ballein to throw]


(bəˈlɪs tə)

n., pl. -tae (-tē).
an ancient military engine for throwing stones or other missiles.
[1590–1600; < Latin, probably < Greek *ballistḗs=báll(ein) to throw + -istēs -ist]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.ballista - an engine that provided medieval artillery used during siegesballista - 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"