掩えん蓋がい

noun

cover; covering; lid

A formal or technical term for a cover or lid, often used in military, engineering, or literary contexts. Not an everyday word for 'lid' (usually 蓋).

• 掩えん蓋がいを閉とじて砲ほう塔とうを保ほ護ごする。

  Close the cover to protect the turret.

• この装そう置ちの掩えん蓋がいは耐たい熱ねつ素そ材ざいでできている。

  The cover of this device is made of heat-resistant material.