any of a class (Bivalvia) of mollusks, including mussels and clams, having a shell consisting of two valves hinged together
having a shell of two valves hinged together
Any of numerous freshwater and marine mollusks of the class Bivalvia, having a shell consisting of two hinged valves connected by a ligament, and including the clams, mussels, oysters, and scallops. Also called lamellibranch . Also called pelecypod .
- Having a shell consisting of two hinged valves.
- Consisting of two similar separable parts.
bi- (“two”) + valve