ordnance

ordnance is a   Noun

Definition:

[1] Heavy weapons of warfare; cannon, or great guns, mortars, and howitzers; artillery; sometimes, a general term for all weapons 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. Ererett. Ordnance survey, the official survey of Great Britain and Ireland, conducted by the ordnance department.

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