WordWeb Online

1. Used of mollusks having two shells (as clams etc.)
   - bivalved

1. Marine or freshwater mollusks having a soft body with platelike gills enclosed within two shells hinged together
   - pelecypod, lamellibranch

Derived forms: bivalves

See also: lamellibranch, pelecypod, pelecypodous

Type of: mollusc, mollusk, shellfish

Antonym: univalve

Part of: Bivalvia, class Bivalvia, class Lamellibranchia, class Pelecypoda, Lamellibranchia

Encyclopedia: Bivalve Bivalve, Maryland