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...

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..

Gourd :: Gourd (n.) A dipper or other vessel made from the shell of a gourd; hence, a drinking vessel; a bottle..

Drill :: Drill (n.) A marine gastropod, of several species, which kills oysters and other bivalves by drilling holes through the shell. The most destructive kind is Urosalpinx cinerea..

Conchology :: Conchology (n.) The science of Mollusca, and of the shells which they form; malacology..

Heteropoda :: Heteropoda (n. pl.) An order of pelagic Gastropoda, having the foot developed into a median fin. Some of the species are naked; others, as Carinaria and Atlanta, have thin glassy shells..

Scalaria :: Scalaria (n.) Any one of numerous species of marine gastropods of the genus Scalaria, or family Scalaridae, having elongated spiral turreted shells, with rounded whorls, usually crossed by ribs or varices. The color is generally white or pale. Called also ladder shell, and wentletrap. See Ptenoglossa, and Wentletrap..

Multispiral :: Multispiral (a.) Having numerous spiral coils round a center or nucleus; -- said of the opercula of certain shells.

Cone :: Cone (n.) A shell of the genus Conus, having a conical form..

Chambered :: Chambered (a.) Having a chamber or chambers; as, a chambered shell; a chambered gun..

Discoid :: Discoid (n.) Anything having the form of a discus or disk; particularly, a discoid shell..

Arming :: Arming (n.) A piece of tallow placed in a cavity at the lower end of a sounding lead, to bring up the sand, shells, etc., of the sea bottom..

Fissurella :: Fissurella (n.) A genus of marine gastropod mollusks, having a conical or limpetlike shell, with an opening at the apex; -- called also keyhole limpet..

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

Equivalved :: Equivalved (a.) Having the valves equal in size and from, as in most bivalve shells..

Soft-shelled :: Soft-shelled (a.) Having a soft or fragile shell.

Shell :: Shell (n.) Hence, by extension, any mollusks having such a covering..

Retractor :: Retractor (n.) In breech-loading firearms, a device for withdrawing a cartridge shell from the barrel..

Frogshell :: Frogshell (n.) One of numerous species of marine gastropod shells, belonging to Ranella and allied genera..

Scutibranchiata :: Scutibranchiata (n. pl.) An order of gastropod Mollusca having a heart with two auricles and one ventricle. The shell may be either spiral or shieldlike.

Scallop :: Scallop (v. t.) To mark or cut the edge or border of into segments of circles, like the edge or surface of a scallop shell. See Scallop, n., 2..

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