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Noun: ballista (ballistae,ballistas)  bu'lis-tu
  1. An engine that provided medieval artillery used during sieges; a heavy war engine for hurling large stones and other missiles
    - catapult, arbalest, arbalist, bricole, mangonel, onager, trebuchet, trebucket, arblast

Derived forms: ballistae, ballistas

Type of: engine

Encyclopedia: Ballista