Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of bivalve is as below...

Beak :: Beak (n.) The upper or projecting part of the shell, near the hinge of a bivalve..

Siphonata :: Siphonata (n. pl.) A tribe of bivalve mollusks in which the posterior mantle border is prolonged into two tubes or siphons. Called also Siphoniata. See Siphon, 2 (a), and Quahaug..

Cypris :: Cypris (n.) A genus of small, bivalve, fresh-water Crustacea, belonging to the Ostracoda; also, a member of this genus..

Trough-shell :: Trough-shell (n.) Any bivalve shell of the genus Mactra. See Mactra.

Drill :: Drill (n.) A marine gastropod, of several species, which kills oysters and other bivalves by drilling holes through the shell. The most destructive kind is Urosalpinx cinerea..

Acephalous :: Acephalous (a.) Without a distinct head; -- a term applied to bivalve mollusks.

Trigonia :: Trigonia (n.) A genus of pearly bivalve shells, numerous extinct species of which are characteristic of the Mesozoic rocks. A few living species exist on the coast of Australia..

Saxicava :: Saxicava (n.) Any species of marine bivalve shells of the genus Saxicava. Some of the species are noted for their power of boring holes in limestone and similar rocks.

Borer :: Borer (n.) A marine, bivalve mollusk, of the genus Teredo and allies, which burrows in wood. See Teredo..

Naiad :: Naiad (n.) Any species of a tribe (Naiades) of freshwater bivalves, including Unio, Anodonta, and numerous allied genera; a river mussel..

Inoceramus :: Inoceramus (n.) An extinct genus of large, fossil, bivalve shells,allied to the mussels. The genus is characteristic of the Cretaceous period..

Skimmer :: Skimmer (n.) Any one of several large bivalve shells, sometimes used for skimming milk, as the sea clams, and large scallops..

Wing-shell :: Wing-shell (n.) Any one of various species of marine bivalve shells belonging to the genus Avicula, in which the hinge border projects like a wing..

Tridacna :: Tridacna (n.) A genus of very large marine bivalve shells found on the coral reefs of the Indian and Pacific Oceans. One species (T. gigas) often weighs four or five hundred pounds, and is sometimes used for baptismal fonts. Called also paw shell, and fountain shell..

Tubivalve :: Tubivalve (n.) A shell or tube formed by an annelid, as a serpula..

Lithophagous :: Lithophagous (a.) Eating or destroying stone; -- applied to various animals which make burrows in stone, as many bivalve mollusks, certain sponges, annelids, and sea urchins. See Lithodomus..

Nates :: Nates (n. pl.) The umbones of a bivalve shell.

Typhlosole :: Typhlosole (n.) A fold of the wall which projects into the cavity of the intestine in bivalve mollusks, certain annelids, starfishes, and some other animals..

Pearl :: Pearl (n.) A shelly concretion, usually rounded, and having a brilliant luster, with varying tints, found in the mantle, or between the mantle and shell, of certain bivalve mollusks, especially in the pearl oysters and river mussels, and sometimes in certain univalves. It is usually due to a secretion of shelly substance around some irritating foreign particle. Its substance is the same as nacre, or mother-of-pearl. Pearls which are round, or nearly round, and of fine luster, are highly esteemed

Rudistes :: Rudistes (n. pl.) An extinct order or suborder of bivalve mollusks characteristic of the Cretaceous period; -- called also Rudista. See Illust. under Hippurite.

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