Marine or freshwater mollusks having a soft body with platelike gills enclosed within two shells hinged together.

synonyms: lamellibranch, pelecypod.

Polish: małż

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

synonym: bivalved.

Roget 90: double; doubled etc. v.; bicipital^†, bicephalous^†, bidental^†, bilabiate, bivalve, bivalvular^†, bifold^†, biform^†, bilateral; bifarious^†, bifacial^†; twofold, two-sided; disomatous^†; duplex; double-faced, double-headed; twin, duplicate, ingeminate^†; second.    ... show more