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...

Labrum :: Labrum (n.) The external margin of the aperture of a shell. See Univalve.

Vesiculous :: Vesiculous (a.) Bladdery; vesicular; vesiculate; composed of vesicles; covered with vesicles; as, a vesiculose shell..

Paucispiral :: Paucispiral (a.) Having few spirals, or whorls; as, a paucispiral operculum or shell..

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..

Dolabriform :: Dolabriform (a.) Shaped like the head of an ax or hatchet, as some leaves, and also certain organs of some shellfish..

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

Columbella :: Columbella (n.) A genus of univalve shells, abundant in tropical seas. Some species, as Columbella mercatoria, were formerly used as shell money..

Wreath-shell :: Wreath-shell (n.) A marine shell of the genus Turbo. See Turbo.

Bergmeal :: Bergmeal (n.) An earthy substance, resembling fine flour. It is composed of the shells of infusoria, and in Lapland and Sweden is sometimes eaten, mixed with flour or ground birch bark, in times of scarcity. This name is also given to a white powdery variety of calcite..

Toothshell :: Toothshell (n.) Any species of Dentalium and allied genera having a tooth-shaped shell. See Dentalium.

Nutshell :: Nutshell (n.) A shell of the genus Nucula.

Fossil :: Fossil (a.) Like or pertaining to fossils; contained in rocks, whether petrified or not; as, fossil plants, shells..

Pecan :: Pecan (n.) A species of hickory (Carya olivaeformis), growing in North America, chiefly in the Mississippi valley and in Texas, where it is one of the largest of forest trees; also, its fruit, a smooth, oblong nut, an inch or an inch and a half long, with a thin shell and well-flavored meat..

Terebra :: Terebra (n.) A genus of marine gastropods having a long, tapering spire. They belong to the Toxoglossa. Called also auger shell..

Conch :: Conch (n.) A name applied to various marine univalve shells; esp. to those of the genus Strombus, which are of large size. S. gigas is the large pink West Indian conch. The large king, queen, and cameo conchs are of the genus Cassis. See Cameo..

Aplacophora :: Aplacophora (n. pl.) A division of Amphineura in which the body is naked or covered with slender spines or setae, but is without shelly plates..

Trochus :: Trochus (n.) Any one of numerous species of marine univalve shells belonging to Trochus and many allied genera of the family Trochidae. Some of the species are called also topshells.

Candlebomb :: Candlebomb (n.) A pasteboard shell used in signaling. It is filled with a composition which makes a brilliant light when it explodes.

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..

Roughcast :: Roughcast (n.) A kind of plastering made of lime, with a mixture of shells or pebbles, used for covering buildings..

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