- Archaic apparatus, as catapults or arbalests, for hurling heavy missiles
- guns of large caliber, too heavy to carry; mounted guns (excluding machine guns), as cannons or missile launchers: artillery may be mobile, stationary, or mounted on ships, airplanes, etc.
- the science of guns; gunnery
Origin of artilleryMiddle English from Old French artillerie from artillier (prob. altered by associated, association with arte, art) from atillier, to equip; dissimilated variant, variety of atirier: see attire