Ordnance

(n.) Heavy weapons of warfare such as cannon, or great guns, mortars, and howitzers; artillery; sometimes, a general term for all weapons and appliances used in war.

Thesaurus Entries

A-weapons, armament, arms, artillery, battery, biological weapons, cannon, cannonry, coast artillery, conventional weapons, deadly weapons, field artillery, flak, heavy field artillery, instruments of destruction, missilery, munitions, musketry, nuclear weapons, side arms, siege artillery, siege engine, small arms, thermonuclear weapons, trench artillery, weaponry, weapons