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...

Delthyris :: Delthyris (n.) A name formerly given to certain Silurian brachiopod shells of the genus Spirifer.

Exuviae :: Exuviae (n. pl.) The fossil shells and other remains which animals have left in the strata of the earth.

Tun :: Tun (n.) Any shell belonging to Dolium and allied genera; -- called also tun-shell.

Umbrella :: Umbrella (n.) Any marine tectibranchiate gastropod of the genus Umbrella, having an umbrella-shaped shell; -- called also umbrella shell..

Tortoise :: Tortoise (n.) having a color like that of a tortoise's shell, black with white and orange spots; -- used mostly to describe cats of that color..

Chiton :: Chiton (n.) One of a group of gastropod mollusks, with a shell composed of eight movable dorsal plates. See Polyplacophora..

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

Limpet :: Limpet (n.) In a general sense, any hatshaped, or conical, gastropod shell..

Concave :: Concave (a.) Hollow and curved or rounded; vaulted; -- said of the interior of a curved surface or line, as of the curve of the of the inner surface of an eggshell, in opposition to convex; as, a concave mirror; the concave arch of the sky..

Pyrula :: Pyrula (n.) A genus of large marine gastropods. having a pear-shaped shell. It includes the fig-shells. See Illust. in Appendix.

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..

Capsule :: Capsule (n.) A small cup or shell, as of metal, for a percussion cap, cartridge, etc..

Mytilus :: Mytilus (n.) A genus of marine bivalve shells, including the common mussel. See Illust. under Byssus..

Block :: Block (v. t.) A grooved pulley or sheave incased in a frame or shell which is provided with a hook, eye, or strap, by which it may be attached to an object. It is used to change the direction of motion, as in raising a heavy object that can not be conveniently reached, and also, when two or more such sheaves are compounded, to change the rate of motion, or to exert increased force; -- used especially in the rigging of ships, and in tackles..

Wedge-shell :: Wedge-shell (n.) Any one of numerous species of small marine bivalves belonging to Donax and allied genera in which the shell is wedge-shaped.

Finfish :: Finfish (n.) True fish, as distinguished from shellfish..

Loricate :: Loricate (v.) Covered with a shell or exterior made of plates somewhat like a coat of mail, as in the armadillo..

Faluns :: Faluns (n.) A series of strata, of the Middle Tertiary period, of France, abounding in shells, and used by Lyell as the type of his Miocene subdivision..

Shelled :: Shelled (imp. & p. p.) of Shel.

Tentaculite :: Tentaculite (n.) Any one of numerous species of small, conical fossil shells found in Paleozoic rocks. They are supposed to be pteropods..

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