Dictionary
1bivalve
adjective bi·valve \ˈbī-ˌvalv\
Definition of BIVALVE
: being or having a shell composed of two valves
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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
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First Known Use of BIVALVE
1683
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