掩えん蓋がいえんがいじ字FuriganaMeanings1nouncover; covering; lidA 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.
