Read Edit View history 厣 yǎn shell Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 厣/ 厴 yǎn operculum The protective lid or plate covering the opening of a gastropod shell, such as that of a snail. Edit Delete 厣/ 厴 yǎn abdominal flap The thin protective shell on the underside of a crab. Edit Delete References Add reference abbreviation 厣/厴 → 厣子/厴子 Edit Delete
厣/ 厴 yǎn operculum The protective lid or plate covering the opening of a gastropod shell, such as that of a snail. Edit Delete