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Any one of several large bivalve shells, sometimes used for skimming milk, as the sea clams, and large scallops.

anking or iron plates, outside the framing, forming the sides and bottom of a vessel; the shell; also, a lining inside the framing. Skin friction, Skin resistance (Naut.), the friction, or resistance, caused by the tendency of water to adhere to the immersed surface (skin) of a vessel. -- Skin graft (Surg.), a small p…

regions." Thackeray. Sublime on the towers of my skyey bowers, Lightning, my pilot, sits. Shelley.

e genus Paramecium. -- Slipper flower.(Bot.) Slipperwort. -- Slipper limpet, or Slipper shell (Zoöl.), a boat shell.

The act of casting off the skin or shell, as do insects and crustaceans; ecdysis.

errestrial pulmonate mollusks belonging to Limax and several related genera, in which the shell is either small and concealed in the mantle, or altogether wanting. They are closely allied to the land snails.

ant (Medicago scuttellata, also, M. Helix); -- so named from its pods, which resemble the shells of snails; -- called also snail trefoil, snail medic, and beehive. -- Snail flower (Bot.), a leguminous plant (Phaseolus Caracalla) having the keel of the carolla spirally coiled like a snail shell. -- Snail shell (Zoöl.)…

om anthracite, or hard, coal. -- Soft crab (Zoöl.), any crab which has recently shed its shell. -- Soft dorsal (Zoöl.), the posterior part of the dorsal fin of fishes when supported by soft rays. -- Soft grass. (Bot.) See Velvet grass. -- Soft money, paper money, as distinguished from coin, or hard money. [Colloq.…

Any one of several species of handsome marine spiral shells of the genus Solarium and allied genera. The shell is conical, and usually has a large, deep umbilicus exposing the upper whorls. Called also perspective shell.

arine bivalve mollusk belonging to Solen or allied genera of the family Solenidæ; a razor shell.

Any species of marine bivalve shells belonging to the family Solenidæ.

To conjoin; to put together in distribution; to class. Shellfish have been, by some of the ancients, compared and sorted with insects. Bacon. She sorts things present with things past. Sir J. Davies.

The sand, shells, or the like, that are brought up by the sounding lead when it has touched bottom. Sounding lead, the plummet at the end of a sounding line. -- Sounding line, a line having a plummet at the end, used in making soundings. -- Sounding post (Mus.), a small post in a violin, violoncello, or similar instr…

An order of irregular sea urchins, usually having a more or less heart-shaped shell with four or five petal-like ambulacra above. The mouth is edentulous and situated anteriorly, on the under side.

In ancient astronomy, one of the concentric and eccentric revolving spherical transparent shells in which the stars, sun, planets, and moon were supposed to be set, and by which they were carried, in such a manner as to produce their apparent motions.

of a lion. The awful ruins of the days of old . . . Or jasper tomb, or mutilated sphinx. Shelley.

orchidaceous plant (Ophrys aranifera), having flowers which resemble spiders. -- Spider shell (Zoöl.), any shell of the genus Pteroceras. See Pteroceras.

ad leaves and large flattened spikelets. -- Spike rush. (Bot.) See under Rush. -- Spike shell (Zoöl.), any pteropod of the genus Styliola having a slender conical shell. -- Spike team, three horses, or a horse and a yoke of oxen, harnessed together, a horse leading the oxen or the span. [U.S.]

Any marine univalve shell of the genus Rostellaria; -- called also spindle stromb.

parallel. -- Spiral operculum, an operculum whih has spiral lines of growth. -- Spiral shell, any shell in which the whorls form a spiral or helix. -- Spiral spring. See the Note under Spring, n., 4.