Definition of shell

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Shell (n.) A hard outside covering, as of a fruit or an animal..

Lern More About Shell

Mail :: Mail (n.) Any hard protective covering of an animal, as the scales and plates of reptiles, shell of a lobster, etc..
Marine :: Marine (a.) Of or pertaining to the sea; having to do with the ocean, or with navigation or naval affairs; nautical; as, marine productions or bodies; marine shells; a marine engine..
Plastron :: Plastron (n.) The ventral shield or shell of tortoises and turtles. See Testudinata.
Ecdysis :: Ecdysis (n.) The act of shedding, or casting off, an outer cuticular layer, as in the case of serpents, lobsters, etc.; a coming out; as, the ecdysis of the pupa from its shell; exuviation..
Dentalium :: Dentalium (n.) A genus of marine mollusks belonging to the Scaphopoda, having a tubular conical shell..
Toxoglossa :: Toxoglossa (n.pl.) A division of marine gastropod mollusks in which the radula are converted into poison fangs. The cone shells (Conus), Pleurotoma, and Terebra, are examples. See Illust. of Cone, n., 4, Pleurotoma, and Terebra..
Bream :: Bream (v. t.) To clean, as a ship's bottom of adherent shells, seaweed, etc., by the application of fire and scraping..
Sepiostare :: Sepiostare (n.) The bone or shell of cuttlefish. See Illust. under Cuttlefish.
Balloon :: Balloon (n.) A bomb or shell.
Tabby :: Tabby (n.) A mixture of lime with shells, gravel, or stones, in equal proportions, with an equal proportion of water. When dry, this becomes as hard as rock..
Turreted :: Turreted (a.) Furnished with a turret or turrets; specifically (Zool.), having the whorls somewhat flattened on the upper side and often ornamented by spines or tubercles; -- said of certain spiral shells..
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..
Pearly :: Pearly (a.) Containing pearls; abounding with, or yielding, pearls; as, pearly shells..
Mussel :: Mussel (n.) Any one of many species of marine bivalve shells of the genus Mytilus, and related genera, of the family Mytidae. The common mussel (Mytilus edulis; see Illust. under Byssus), and the larger, or horse, mussel (Modiola modiolus), inhabiting the shores both of Europe and America, are edible. The former is extensively used as food in Europe..
Operculum :: Operculum (n.) Any lid-shaped structure closing the aperture of a tube or shell.
Thecosomata :: Thecosomata (n. pl.) An order of Pteropoda comprising those species which have a shell. See Pteropoda.
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..
Trivalve :: Trivalve (n.) Anything having three valves, especially a shell..
Gymnosomata :: Gymnosomata (n. pl.) One of the orders of Pteropoda. They have no shell.
Tun :: Tun (n.) Any shell belonging to Dolium and allied genera; -- called also tun-shell.
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