sword blade; weapon blade
Literary or formal term for a sword blade or, by extension, a bladed weapon. Not used in everyday conversation.
Cross swords (engage in combat).
兵刃の光が戦場にきらめいた。
The gleam of sword blades glittered on the battlefield.
Compound of 兵 (hei, 'soldier, weapon') and 刃 (jin, 'blade'). The exact historical derivation is uncertain, but the combination naturally yields the meaning 'weapon blade'.