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 shell is as below...

Exoskeleton :: Exoskeleton (n.) The hardened parts of the external integument of an animal, including hair, feathers, nails, horns, scales, etc.,as well as the armor of armadillos and many reptiles, and the shells or hardened integument of numerous invertebrates; external skeleton; dermoskeleton..

Tongue-shell :: Tongue-shell (n.) Any species of Lingula.

Siphonifer :: Siphonifer (n.) Any cephalopod having a siphonate shell.

Turrilite :: Turrilite (n.) Any fossil ammonite of the genus Turrilites. The shell forms an open spiral with the later whorls separate.

Crust :: Crust (n.) The shell of crabs, lobsters, etc..

Shelling :: Shelling (n.) Groats; hulled oats.

Shellbark :: Shellbark (n.) A species of hickory (Carya alba) whose outer bark is loose and peeling; a shagbark; also, its nut..

Discina :: Discina (n.) A genus of Branchiopoda, having a disklike shell, attached by one valve, which is perforated by the peduncle..

Shuck :: Shuck (n.) A shell, husk, or pod; especially, the outer covering of such nuts as the hickory nut, butternut, peanut, and chestnut..

Trionyx :: Trionyx (n.) A genus of fresh-water or river turtles which have the shell imperfectly developed and covered with a soft leathery skin. They are noted for their agility and rapacity. Called also soft tortoise, soft-shell tortoise, and mud turtle..

Petworth Marble :: Petworth marble () A kind of shell marble occurring in the Wealden clay at Petworth, in Sussex, England; -- called also Sussex marble..

Apodeme :: Apodeme (n.) One of the processes of the shell which project inwards and unite with one another, in the thorax of many Crustacea..

Siphoniferous :: Siphoniferous (a.) Siphon-bearing, as the shell of the nautilus and other cephalopods..

Lumachella :: Lumachella (n.) A grayish brown limestone, containing fossil shells, which reflect a beautiful play of colors. It is also called fire marble, from its fiery reflections..

Cymbium :: Cymbium (n.) A genus of marine univalve shells; the gondola.

Belemnite :: Belemnite (n.) A conical calcareous fossil, tapering to a point at the lower extremity, with a conical cavity at the other end, where it is ordinarily broken; but when perfect it contains a small chambered cone, called the phragmocone, prolonged, on one side, into a delicate concave blade; the thunderstone. It is the internal shell of a cephalopod related to the sepia, and belonging to an extinct family. The belemnites are found in rocks of the Jurassic and Cretaceous ages..

Paludina :: Paludina (n.) Any one of numerous species of freshwater pectinibranchiate mollusks, belonging to Paludina, Melantho, and allied genera. They have an operculated shell which is usually green, often with brown bands. See Illust. of Pond snail, under Pond..

Diaphragm :: Diaphragm (n.) A calcareous plate which divides the cavity of certain shells into two parts.

Wing-shell :: Wing-shell (n.) Any marine gastropod shell of the genus Strombus. See Strombus.

Worm-shell :: Worm-shell (n.) Any species of Vermetus.

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