Definition of oyster

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Oyster (n.) Any marine bivalve mollusk of the genus Ostrea. They are usually found adhering to rocks or other fixed objects in shallow water along the seacoasts, or in brackish water in the mouth of rivers. The common European oyster (Ostrea edulis), and the American oyster (Ostrea Virginiana), are the most important species..

Lern More About Oyster

Inequivalvular :: Inequivalvular (a.) Having unequal valves, as the shell of an oyster..
Tautog :: Tautog (n.) An edible labroid fish (Haitula onitis, or Tautoga onitis) of the Atlantic coast of the United States. When adult it is nearly black, more or less irregularly barred, with greenish gray. Called also blackfish, oyster fish, salt-water chub, and moll..
Wash :: Wash (n.) Ten strikes, or bushels, of oysters..
Set :: Set (n.) Collectively, the crop of young oysters in any locality..
Layer :: Layer (n.) An artificial oyster bed.
Plant :: Plant (n.) An oyster which has been bedded, in distinction from one of natural growth..
Scalp :: Scalp (n.) A bed of oysters or mussels.
Picking :: Picking (n.) The pulverized shells of oysters used in making walks.
Cultch :: Cultch (n.) Empty oyster shells and other substances laid down on oyster grounds to furnish points for the attachment of the spawn of the oyster.
Pinnothere :: Pinnothere (n.) A crab of the genus pinnotheres. See Oyster crab, under Oyster..
Beard :: Beard (v. t.) To deprive of the gills; -- used only of oysters and similar shellfish.
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
Set :: Set (n.) A young oyster when first attached.
Stoolball :: Stool (n.) Material, such as oyster shells, spread on the sea bottom for oyster spat to adhere to..
Shucker :: Shucker (n.) One who shucks oysters or clam.
Beard :: Beard (n.) The gills of some bivalves, as the oyster..
Greengill :: Greengill (n.) An oyster which has the gills tinged with a green pigment, said to be due to an abnormal condition of the blood..
Oyster-green :: Oyster-green (n.) A green membranous seaweed (Ulva) often found growing on oysters but common on stones, piles, etc..
Ostreaceous :: Ostreaceous (a.) Of or pertaining to an oyster, or to a shell; shelly..
Bivalve :: Bivalve (n.) A mollusk having a shell consisting of two lateral plates or valves joined together by an elastic ligament at the hinge, which is usually strengthened by prominences called teeth. The shell is closed by the contraction of two transverse muscles attached to the inner surface, as in the clam, -- or by one, as in the oyster. See Mollusca..
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