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WordReference Random House Learner's Dictionary of American English © 2024bi•valve /ˈbaɪˌvælv/USA pronunciation n. [countable]- Invertebratesa mollusk, such as the oyster, having side shells joined on a hinge.
adj. - Zoologyhaving two shells united by a hinge.
WordReference Random House Unabridged Dictionary of American English © 2024bi•valve (bī′valv′),USA pronunciation n. - Invertebrates, ZoologyAlso called lamellibranch. [Zool.]any mollusk, as the oyster, clam, scallop, or mussel, of the class Bivalvia, having two shells hinged together, a soft body, and lamellate gills.
adj. - Botanyhaving two valves, as a seedcase.
- Zoologyhaving two shells, usually united by a hinge.
- having two similar parts hinged together.
bi•val•vu•lar (bī val′vyə lər),USA pronunciation adj. Collins Concise English Dictionary © HarperCollins Publishers:: bivalve /ˈbaɪˌvælv/ n
Also: pelecypod, lamellibranch any marine or freshwater mollusc of the class Pelecypoda (formerly Bivalvia or Lamellibranchia), having a laterally compressed body, a shell consisting of two hinged valves, and gills for respiration. The group includes clams, cockles, oysters, and mussels
adj
Also: pelecypod, lamellibranch of, relating to, or belonging to the Pelecypoda
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