- The definition of ordnance is military weapons.
Mounted guns and other military weapons are an example of ordnance.
- cannon or artillery
- all military weapons together with ammunition, combat vehicles, etc. and the equipment and supplies used in servicing these
- a military branch or unit that orders, stores, and supplies ordnance
Origin of ordnancecontr. ; from ordinance, in restricted meaning
- Military materiel, such as weapons, ammunition, combat vehicles, and equipment.
- The branch of an armed force that procures, maintains, and issues weapons, ammunition, and combat vehicles.
- Cannon; artillery.
Origin of ordnanceMiddle English ordnaunce, variant of ordinaunce, order, military provision; see ordinance.
The British Ordnance Survey, now a civilian agency, retains its name from its origin as a military topographic survey of Britain during the Napoleonic Wars.
Do not confuse with ordinance.
- unexploded ordnance
A reduced form of ordinance, which is attested from the late 14th century in the sense of "military equipment or provisions". The sense of "artillery" arises in the early 15th century, the sense "military logistics" in the late 15th century. The shortened form ordnance arises by the 17th century, now distinct in meaning from the surviving meanings of ordinance.