Definitions for ordnanceˈɔrd nəns
Random House Webster's College Dictionary
cannon or artillery.
military weapons with their equipment, ammunition, etc.
the army branch that deals with ordnance.
Origin of ordnance:
1620–30; syncopated var. of ordinance
munition, ordnance, ordnance store(noun)
artillery, heavy weapon, gun, ordnance(noun)
large but transportable armament
military equipment, especially weapons and ammunition.
Origin: A reduced form of ordinance, which is attested from the late 14th century in the sense of "military equipment or provisions".
Dictionary of Military and Associated Terms
Explosives, chemicals, pyrotechnics, and similar stores, e.g., bombs, guns and ammunition, flares, smoke, or napalm.