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A division of marine gastropod mollusks in which the radula are converted into poison fangs. The cone shells (Conus), Pleurotoma, and Terebra, are examples. See Illust. of Cone, n., 4, Pleurotoma, and Terebra.

To take fish, or other marine animals, with a trawl.

A genus of very large marine bivalve shells found on the coral reefs of the Indian and Pacific Oceans. One species (T. gigas) often weighs four or five hundred pounds, and is sometimes used for baptismal fonts. Called also paw shell, and fountain shell.

Any one of many species of marine gastropods belonging to Triton and allied genera, having a stout spiral shell, often handsomely colored and ornamented with prominent varices. Some of the species are among the largest of all gastropods. Called also trumpet shell, and sea trumpet.

Any one of numerous species of marine univalve shells belonging to Trochus and many allied genera of the family Trochidæ. Some of the species are called also topshells.

Any one of several species of marine fishes more or less resembling a trout in appearance or habits, but not belonging to the same family, especially the California rock trouts, the common squeteague, and the southern, or spotted, squeteague; -- called also salt-water trout, sea trout, shad trout, and gray trout. See S…

racenia. -- Trumpet major (Mil.), the chief trumpeter of a band or regiment. -- Trumpet marine (Mus.), a monochord, having a thick string, sounded with a bow, and stopped with the thumb so as to produce the harmonic tones; -- said to be the oldest bowed instrument known, and in form the archetype of all others. It pr…

ir to a mine or to a furnace, water to a mill, grain to an elevator, etc. Trunk engine, a marine engine, the piston rod of which is a trunk. See Trunk, 10. -- Trunk hose, large breeches formerly worn, reaching to the knees. -- Trunk line, the main line of a railway, canal, or route of conveyance. -- Trunk turtle (Zo…

A large, handsomely colored, marine univalve shell (Fasciolaria tulipa) native of the Southern United States. The name is sometimes applied also to other species of Fasciolaria.

A genus of large marine gastropods having a thick heavy shell with conspicuous folds on the columella.

Any one of numerous marine gastropods of the genus Turbo or family Turbinidæ, usually having a turbinate shell, pearly on the inside, and a calcareous operculum.

Any one of several large, thick, spiral marine shells belonging to Rapa and allied genera, somewhat turnip-shaped.

Any spiral marine gastropod belonging to Turritella and allied genera. These mollusks have an elongated, turreted shell, composed of many whorls. They have a rounded aperture, and a horny multispiral operculum.

gator turtle, Box turtle, etc. See under Alligator, Box, etc. -- green turtle (Zoöl.), a marine turtle of the genus Chelonia, having usually a smooth greenish or olive-colored shell. It is highly valued for the delicacy of its flesh, which is used especially for turtle soup. Two distinct species or varieties are known…

on the other side, chiefly when joined with words expressing relations of place; as, ultramarine, ultramontane, ultramundane, ultratropical, etc. In other relations it has the sense of excessively, exceedingly, beyond what is common, natural, right, or proper; as, ultraconservative; ultrademocratic, ultradespotic, ultr…

Any marine tectibranchiate gastropod of the genus Umbrella, having an umbrella-shaped shell; -- called also umbrella shell. Umbrella ant (Zoöl.), the sauba ant; -- so called because it carries bits of leaves over its back when foraging. Called also parasol ant. -- Umbrella bird (Zoöl.), a South American bird (Cephalop…

A division of marine chætopod annelids which are furnished with uncini, as the serpulas and sabellas.

To subscribe one's name to for insurance, especially for marine insurance; to write one's name under, or set one's name to, as a policy of insurance, for the purpose of becoming answerable for loss or damage, on consideration of receiving a certain premium per cent; as, individuals, as well as companies, may underwrite…

One who underwrites his name to the conditions of an insurance policy, especially of a marine policy; an insurer.

eum). Both are used in medicine. -- Unicorn shell (Zoöl.), any one of several species of marine gastropods having a prominent spine on the lip of the shell. Most of them belong to the genera Monoceros and Leucozonia.