Operculum

[ɔ'pɜ:kjuləm] n

貝ぶた Geological Terms Dictionary (Bruce Bain and Leslie Oberman) ; 貝蓋 Geological Terms Dictionary (Bruce Bain and Leslie Oberman)

n uk operculum | n uk [ɔ'pɜ:kjuləm] n

厴 (of a shellfish)

n operculum | n [ɔ'pɜ:kjuləm] n

鰓蓋 (さいがい)