Is “Bivalve” a Scrabble word?
Yes
BIVALVE
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Bivalve
/ˈbaɪvælv/
noun
1.Any mollusc belonging to the taxonomic class Bivalvia, characterized by a shell consisting of two hinged sections, such as a scallop, clam, mussel or oyster.
2.A pericarp in which the seed case opens or splits into two parts or valves.