artillery

noun

1. (countable, uncountable)Large projectile weapons, in modern usage usually large guns, but also rocket artillery.
2. (countable, uncountable)An army unit that uses such weapons, or a military formation using projectile weapons, such as archers.
3. (countable, uncountable)Gunnery (design and manufacture of guns).
4. (archaic, countable, uncountable)Weapons, especially siege engines.

   “And Ionathan gaue his artillery vnto his ladde, and said vnto him, Goe, cary them to the citie.”

   “The old walls […] were surely strong enough to keep out men without battering-rams, balistas, or artillery of any kind. [Footnote] Artillery is here used in its old English meaning for any kind of warlike engine. Cf. I Sam. XX. 40.”

5. (Ireland, UK, countable, slang, uncountable)One or more guns.