Ordnance

n.

1.

Heavy weapons of warfare; cannon, or great guns, mortars, and howitzers; artillery; sometimes, a general term for all weapons, ammunitiion, and appliances used in war. All the battlements their ordnance fire. - Shak. Then you may hear afar off the awful roar of his [Rufus Choate's] rifled ordnance. - E. Everett. Ordnance survey the official survey of Great Britain and Ireland, conducted by the ordnance department.

Noun	1.	ordnance - military supplies Synonyms: munitions, ordnance stores
	2.	ordnance - large but transportable armament Synonyms: artillery, heavy weapon, gun

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