射しゃ撃げき孔こう

noun

arrow slit; gun loop; gun port

Technical term for a narrow vertical opening in a fortification wall through which archers or gunners could fire. Used in historical and military contexts.

• 城じょう壁へきにはいくつもの射しゃ撃げき孔こうが設もうけられていた。

  The castle walls were equipped with many arrow slits.

• この射しゃ撃げき孔こうから敵てきを狙ねらう。

  Aim at the enemy through this gun loop.