n. 1. A marine or freshwater mollusk having a soft body with platelike gills enclosed within two shells hinged together; a member of the Pelecypoda. Syn. -- bivalve, lamellibranch. [ WordNet 1.5 ]
‖n. pl. [ NL., fr. Gr. pe`lekys a hatchet + -poda. ] (Zool.) Same as Lamellibranchia. [ 1913 Webster ]
adj. 1. same as lamellibranchiate. Syn. -- lamellibranch, lamellibranchiate. [ WordNet 1.5 ]