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A fold of the wall which projects into the cavity of the intestine in bivalve mollusks, certain annelids, starfishes, and some other animals.

rian purple, or Tyrian dye, a celebrated purple dye prepared in ancient Tyre from several mollusks, especially Ianthina, Murex, and Purpura. See the Note under Purple, n., 1, and Purple of mollusca, under Purple, n.

Uncustomable; also, not having paid duty or customs. Smollett.

To let below the value. All my farms were underlet. Smollett.

Having but one gill, as certain molluscs.

A shell consisting of one valve only; a mollusk whose shell is composed of a single piece, as the snails and conchs.

Any larval gastropod or bivalve mollusk in the state when it is furnished with one or two ciliated membranes for swimming.

An extensive tribe of bivalve mollusks of which the genus Venus is the type. The shells are usually oval, or somewhat heartshaped, with a conspicuous lunule. See Venus.

The external male organ of certain mollusks, worms, etc. See Illustration in Appendix.

or produced by a combination of red and blue in equal proportions; a bluish purple color. Mollett.

r garments by the poor, and for various other purposes. [Spelled also wadmal, wadmeal, wadmoll, wadmel, etc.] Beck (Draper's Dict.). Sir W. Scott.

ring food and in fighting. It is hunted for its oil, ivory, and skin. It feeds largely on mollusks. Called also morse.

A kind of mollusk, a whelk. [Prov. Eng.]

e foot so modified as to form a pair of winglike swimming organs; -- said of the pteropod mollusks.

cock owl, the short-eared owl (Asio brachyotus). -- Woodcock shell, the shell of certain mollusks of the genus Murex, having a very long canal, with or without spines. -- Woodcock snipe. See under Snipe.

ing in, or destroying, wood; -- said especially of certain insect larvæ, crustaceans, and mollusks.