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Lit., an eggshell; hence, an eggshell filled with confetti to be thrown during balls, carnivals, etc. [Western U. S.]

A distinct girdle or band of color; a raised spiral line as seen on certain univalve shells.

A genus of univale shells, abundant in tropical seas. Some species, as Columbella mercatoria, were formerly used as shell money.

The upright pillar in the axis of most univalve shells.

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.

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

ions; also, plaster or paper imitations of, or substitutes for, bonbons, often used by carnival revelers, at weddings, etc.

lements, and shows a tendency to form complex compounds. The name is also applied to the univalent radical, CN (the half molecule of cyanogen proper), which was one of the first compound radicals recognized.

A genus of marine univalve shells; the gondola.

Decapitated; worn or cast off in the process of growth, as the apex of certain univalve shells.

Having the form of a disk, as those univalve shells which have the whorls in one plane, so as to form a disk, as the pearly nautilus. Discoid flower (Bot.), a compound flower, consisting of tubular florets only, as a tansy, lacking the rays which are seen in the daisy and sunflower.

as dizened her out. Goldsmith. To-morrow when the masks shall fall That dizen Nature's carnival. Emerson.

A genus of large univalve mollusks, including the partridge shell and tun shells.

A flattened marine univalve shell of the genus Haliotis; -- called also sea-ear. See Abalone.

A univalent hydrocarbon radical of the ethylene series, CH2:CH; - - called also vinyl. See Vinyl.

A marine univalve shell of the genus Pyrula, or Ficula, resembling a fig in form.

A univalent radical, H.C:O, regarded as the essential residue of formic acid and aldehyde.

A large, handsome, marine, univalve shell (Triton femorale).

One of the whorls of a spiral univalve shell. Center of gyration. (Mech.) See under Center. -- Radius of gyration the distance between the axis of a rotating body and its center of gyration. Rankine.

A genus of marine univalve shells; the harp shells; -- so called from the form of the shells, and their ornamental ribs.