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 mollusk is as below...

Circumesophagal :: Circumesophagal (a.) Surrounding the esophagus; -- in Zool. said of the nerve commissures and ganglia of arthropods and mollusks.

Ostracea :: Ostracea (n. pl.) A division of bivalve mollusks including the oysters and allied shells.

Spat :: Spat (n.) A young oyster or other bivalve mollusk, both before and after it first becomes adherent, or such young, collectively..

Univalve :: Univalve (n.) A shell consisting of one valve only; a mollusk whose shell is composed of a single piece, as the snails and conchs..

Clamp :: Clamp (n.) A mollusk. See Clam.

Tooth :: Tooth (n.) Any hard calcareous or chitinous organ found in the mouth of various invertebrates and used in feeding or procuring food; as, the teeth of a mollusk or a starfish..

Abalone :: Abalone (n.) A univalve mollusk of the genus Haliotis. The shell is lined with mother-of-pearl, and used for ornamental purposes; the sea-ear. Several large species are found on the coast of California, clinging closely to the rocks..

Shipworm :: Shipworm (n.) Any long, slender, worm-shaped bivalve mollusk of Teredo and allied genera. The shipworms burrow in wood, and are destructive to wooden ships, piles of wharves, etc. See Teredo..

Gizzard :: Gizzard (n.) A stomach armed with chitinous or shelly plates or teeth, as in certain insects and mollusks..

Pinna :: Pinna (n.) Any species of Pinna, a genus of large bivalve mollusks found in all warm seas. The byssus consists of a large number of long, silky fibers, which have been used in manufacturing woven fabrics, as a curiosity..

Monoecian :: Monoecian (n.) A monoecious animal, as certain mollusks..

Septum :: Septum (n.) One of the transverse partitions dividing the shell of a mollusk, or of a rhizopod, into several chambers. See Illust. under Nautilus..

Conus :: Conus (n.) A Linnean genus of mollusks having a conical shell. See Cone, n., 4..

Prosopulmonata :: Prosopulmonata (n. pl.) A division of pulmonate mollusks having the breathing organ situated on the neck, as in the common snail..

Turritella :: Turritella (n.) Any spiral marine gastropod belonging to Turritella and allied genera. These mollusks have an elongated, turreted shell, composed of many whorls. They have a rounded aperture, and a horny multispiral operculum..

Fissurella :: Fissurella (n.) A genus of marine gastropod mollusks, having a conical or limpetlike shell, with an opening at the apex; -- called also keyhole limpet..

Mollusc :: Mollusc (n.) Same as Mollusk.

Bimuscular :: Bimuscular (a.) Having two adductor muscles, as a bivalve mollusk..

Submediant :: Submedian (a.) Next to the median (on either side); as, the submedian teeth of mollusks..

Shellfish :: Shellfish (n.) Any aquatic animal whose external covering consists of a shell, either testaceous, as in oysters, clams, and other mollusks, or crustaceous, as in lobsters and crabs..

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