Definition of bivalve

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Bivalve (n.) A pericarp in which the seed case opens or splits into two parts or valves.

Lern More About Bivalve

Xylophaga :: Xylophaga (n.) A genus of marine bivalves which bore holes in wood. They are allied to Pholas.
Tube :: Tube (n.) One of the siphons of a bivalve mollusk.
Pallial :: Pallial (a.) Of or pretaining to a mantle, especially to the mantle of mollusks; produced by the mantle; as, the pallial line, or impression, which marks the attachment of the mantle on the inner surface of a bivalve shell. See Illust. of Bivalve..
Lithodome :: Lithodome (n.) Any one of several species of bivalves, which form holes in limestone, in which they live; esp., any species of the genus Lithodomus..
Lunule :: Lunule (n.) A special area in front of the beak of many bivalve shells. It sometimes has the shape of a double crescent, but is oftener heart-shaped. See Illust. of Bivalve..
Escalop :: Escalop (n.) A bivalve shell of the genus Pecten. See Scallop.
Inclusa :: Inclusa (n. pl.) A tribe of bivalve mollusks, characterized by the closed state of the mantle which envelops the body. The ship borer (Teredo navalis) is an example..
Umbo :: Umbo (n.) One of the lateral prominence just above the hinge of a bivalve shell.
Cyphonautes :: Cyphonautes (n.) The free-swimming, bivalve larva of certain Bryozoa..
Cypris :: Cypris (n.) A genus of small, bivalve, fresh-water Crustacea, belonging to the Ostracoda; also, a member of this genus..
Borer :: Borer (n.) A marine, bivalve mollusk, of the genus Teredo and allies, which burrows in wood. See Teredo..
Ostracoidea :: Ostracoidea (n. pl.) An order of Entomostraca possessing hard bivalve shells. They are of small size, and swim freely about..
Acephala :: Acephala (n. pl.) That division of the Mollusca which includes the bivalve shells, like the clams and oysters; -- so called because they have no evident head. Formerly the group included the Tunicata, Brachiopoda, and sometimes the Bryozoa. See Mollusca..
Conchoidal :: Conchoidal (a.) Having elevations or depressions in form like one half of a bivalve shell; -- applied principally to a surface produced by fracture.
Suprachoroid :: Suprabranchial (a.) Situated above the branchiae; -- applied especially to the upper division of the gill cavity of bivalve mollusks.
Pecten :: Pecten (n.) Any species of bivalve mollusks of the genus Pecten, and numerous allied genera (family Pectinidae); a scallop. See Scallop..
Byssus :: Byssus (n.) A tuft of long, tough filaments which are formed in a groove of the foot, and issue from between the valves of certain bivalve mollusks, as the Pinna and Mytilus, by which they attach themselves to rocks, etc..
Clam :: Clam (v. t.) A bivalve mollusk of many kinds, especially those that are edible; as, the long clam (Mya arenaria), the quahog or round clam (Venus mercenaria), the sea clam or hen clam (Spisula solidissima), and other species of the United States. The name is said to have been given originally to the Tridacna gigas, a huge East Indian bivalve..
Tellina :: Tellina (n.) A genus of marine bivalve mollusks having thin, delicate, and often handsomely colored shells..
Brachiopoda :: Brachiopoda (n.) A class of Molluscoidea having a symmetrical bivalve shell, often attached by a fleshy peduncle..
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