Definition of shell

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Shell (n.) Hence, by extension, any mollusks having such a covering..

Lern More About Shell

Pouch-shell :: Pouch-shell (n.) A small British and American pond snail (Bulinus hypnorum).
Shellac :: Shellac (n.) See the Note under 2d Lac.
Univalved :: Univalved (a.) Having one valve; as, a univalve shell or pericarp..
Cornsheller :: Cornsheller (n.) A machine that separates the kernels of corn from the cob.
Top-shell :: Top-shell (n.) Any one of numerous species of marine top-shaped shells of the genus Trochus, or family Trochidae..
Tortoise :: Tortoise (n.) a tortoise-shell cat.
Planorbis :: Planorbis (n.) Any fresh-water air-breathing mollusk belonging to Planorbis and other allied genera, having shells of a discoidal form..
Goroon Shell :: Goroon shell () A large, handsome, marine, univalve shell (Triton femorale)..
Verticillated :: Verticillated (a.) Arranged in a transverse whorl or whorls like the rays of a wheel; as, verticillate leaves of a plant; a verticillate shell..
Liner :: Liner (n.) A lining within the cylinder, in which the piston works and between which and the outer shell of the cylinder a space is left to form a steam jacket..
Deltidium :: Deltidium (n.) The triangular space under the beak of many brachiopod shells.
Nut :: Nut (n.) The fruit of certain trees and shrubs (as of the almond, walnut, hickory, beech, filbert, etc.), consisting of a hard and indehiscent shell inclosing a kernel..
Hydractinian :: Hydractinian (n.) Any species or marine hydroids, of the genus Hydractinia and allied genera. These hydroids form, by their rootstalks, a firm, chitinous coating on shells and stones, and esp. on spiral shells occupied by hermit crabs. See Illust. of Athecata..
Beak :: Beak (n.) The prolongation of certain univalve shells containing the canal.
Wampum :: Wampum (n.) Beads made of shells, used by the North American Indians as money, and also wrought into belts, etc., as an ornament..
Columella :: Columella (n.) The upright pillar in the axis of most univalve shells.
Discoid :: Discoid (n.) Anything having the form of a discus or disk; particularly, a discoid shell..
Rhachiglossa :: Rhachiglossa (n. pl.) A division of marine gastropods having a retractile proboscis and three longitudinal rows of teeth on the radula. It includes many of the large ornamental shells, as the miters, murices, olives, purpuras, volutes, and whelks. See Illust. in Append..
Wing-shell :: Wing-shell (n.) Any pteropod shell.
Sea-ear :: Sea-ear (n.) Any species of ear-shaped shells of the genus Haliotis. See Abalone.
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