円蓋 えんがい Meanings Noun cupola; dome; vault Kanji 円 circle. Read as エン. 蓋 lid. Read as ガイ. Words containing 円蓋 円蓋状 (えんがいじょう) cupular 方底円蓋 (ほうていえんがい) being a (total) mismatch Jinuma: Japanese Dictionary · Word lists