Dictionary

1bivalve

adjective bi·valve \ˈbī-ˌvalv\

Definition of BIVALVE

:  being or having a shell composed of two valves

First Known Use of BIVALVE

1661

Rhymes with BIVALVE

2bivalve

noun

biology : a sea animal that has a shell with two movable parts connected by a hinge

Full Definition of BIVALVE

:  any of a class (Bivalvia syn. Pelecypoda) of typically marine mollusks (as clams, oysters, or scallops) that have a 2-valved hinged shell, are usually filter feeders, and lack a distinct head

Examples of BIVALVE

  1. clams, mussels, oysters, and other bivalves

First Known Use of BIVALVE

1683

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