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Webster’s Dictionary (1828)

98,828 entries. Headwords are matched first, then definition text.

728 words match “SHELL”

CONCAVO-CONVEX a.

Concave on one side and convex on the other, as an eggshell or a crescent.

CONCH n. 2 definitions

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.

That class of Mollusca which includes the bivalve shells; the Lamellibranchiata. See Mollusca.

CONCHIFEROUS a.

Producing or having shells.

Shaped like one half of a bivalve shell; shell-shaped.

A fossil or petrified conch or shell.

Composed of shells; containing many shells.

CONCHO-SPIRAL n.

A kind of spiral curve found in certain univalve shells. Agassiz.

Having elevations or depressions in form like one half of a bivalve shell; -- applied principally to a surface produced by fracture.

The science of Mollusca, and of the shells which they form; malacology.

An instrument for measuring shells, or the angle of their spire.

The art of measuring shells or their curves; conchyliometry.

CONCHYLACEOUS; CONCHYLIACEOUS a.

Of or pertaining to shells; resembling a shell; as, conchyliaceous impressions. Kirwan.

ations fill. Daniel. Concussion fuse (Mil.), one that is ignited by the concussion of the shell when it strikes.

A shell of the genus Conus, having a conical form. Cone of rays (Opt.), the pencil of rays of light which proceed from a radiant point to a given surface, as that of a lens, or conversely. -- Cone pulley. See in the Vocabulary. -- Oblique or Scalene cone, a cone of which the axis is inclined to the plane of its base.…

A Linnean genus of mollusks having a conical shell. See Cone, n., 4.

CONVENTIONAL a.

s to be represented and what is to be rejected; as, a conventional flower; a conventional shell. Cf. Conventionalize, v. t.

A shell or shell-like dish or mold in which viands are served.

A soft, whitish, coral-like stone, formed of broken shells and corals, found in the southern United States, and used for roadbeds and for building material, as in the fort at St. Augustine, Florida.

CORNEOCALCAREOUS a.

Formed of a mixture of horny and calcareous materials, as some shells and corals.