Definitions of ordnance

1. large but transportable armament

2. Heavy guns; artillery; military supplies.

3. ( orig.) Any arrangement, disposition, or equipment: great guns: artillery.

4. Heavy guns; artillery.

5. Implements of war, especially artillery.

6. Cannon, or great guns, mortars and howitzers; artillery. Ordnance survey, a survey of Britain at the instance of government.

7. A general term applied to all things connected with artillery; cannon; artillery.