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 valve is as below...

Pump :: Pump (n.) An hydraulic machine, variously constructed, for raising or transferring fluids, consisting essentially of a moving piece or piston working in a hollow cylinder or other cavity, with valves properly placed for admitting or retaining the fluid as it is drawn or driven through them by the action of the piston..

Oyster :: 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..

Solen :: Solen (n.) Any marine bivalve mollusk belonging to Solen or allied genera of the family Solenidae; a razor shell.

Cockleshell :: Cockleshell (n.) One of the shells or valves of a cockle.

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

Bonnet :: Bonnet (n.) In pumps, a metal covering for the openings in the valve chambers..

Melon :: Melon (n.) A large, ornamental, marine, univalve shell of the genus Melo..

Cardo :: Cardo (n.) The hinge of a bivalve shell.

Frustule :: Frustule (n.) The siliceous shell of a diatom. It is composed of two valves, one overlapping the other, like a pill box and its cover..

D Valve :: D valve () A kind of slide valve. See Slide valve, under Slide..

Loment :: Loment (n.) An elongated pod, consisting, like the legume, of two valves, but divided transversely into small cells, each containing a single seed..

Malacobdella :: Malacobdella (n.) A genus of nemertean worms, parasitic in the gill cavity of clams and other bivalves. They have a large posterior sucker, like that of a leech. See Illust. of Bdellomorpha..

Concho-spiral :: Concho-spiral (n.) A kind of spiral curve found in certain univalve shells.

Throttle :: Throttle (n.) The throttle valve.

Siphon :: Siphon (n.) One of the tubes or folds of the mantle border of a bivalve or gastropod mollusk by which water is conducted into the gill cavity. See Illust. under Mya, and Lamellibranchiata..

Throw :: Throw (n.) The extreme movement given to a sliding or vibrating reciprocating piece by a cam, crank, eccentric, or the like; travel; stroke; as, the throw of a slide valve. Also, frequently, the length of the radius of a crank, or the eccentricity of an eccentric; as, the throw of the crank of a steam engine is equal to half the stroke of the piston..

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

Valvate :: Valvate (a.) Resembling, or serving as, a valve; consisting of, or opening by, a valve or valves; valvular..

Plate-gilled :: Plate-gilled (a.) Having flat, or leaflike, gills, as the bivalve mollusks..

Strombite :: Stromb (n.) Any marine univalve mollusk of the genus Strombus and allied genera. See Conch, and Strombus..

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