noun
1. : a spiral shell having the body whorls rounded or swollen in the middle
2. : a bivalve shell in which the valves are strongly convex
noun
1. : a spiral shell having the body whorls rounded or swollen in the middle
2. : a bivalve shell in which the valves are strongly convex
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012