Ballista :: Ballista (n.) An ancient military engine, in the form of a crossbow, used for hurling large missiles..
Ballistic :: Ballistic (a.) Of or pertaining to the ballista, or to the art of hurling stones or missile weapons by means of an engine..
Ballistic :: Ballistic (a.) Pertaining to projection, or to a projectile..
Ballistics :: Ballistics (n.) The science or art of hurling missile weapons by the use of an engine.
Electro-ballistics :: Electro-ballistics (n.) The art or science of measuring the force or velocity of projectiles by means of electricity.