Refers to weapons, artillery, and military supplies, especially in a historical or formal context. Often used in discussions of military preparedness or historical accounts.
The history book records details of the armament of that era.
Compound of 備 (び, 'equip, provide') and 砲 (ほう, 'cannon, gun'). The exact historical derivation is uncertain, but the spelling is conventionally associated with military armament.
