Also found in: Thesaurus.
Switch to new thesaurus
|Noun||1.||class Bivalvia - oysters; clams; scallops; mussels |
bivalve, lamellibranch, pelecypod - marine or freshwater mollusks having a soft body with platelike gills enclosed within two shells hinged together
spat - a young oyster or other bivalve
class - (biology) a taxonomic group containing one or more orders