Definition of whorl

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Whorl (n. & v.) A volution, or turn, of the spire of a univalve shell..

Lern More About Whorl

Sutured :: Suture (n.) A seam, or impressed line, as between the segments of a crustacean, or between the whorls of a univalve shell..
Scalaria :: Scalaria (n.) Any one of numerous species of marine gastropods of the genus Scalaria, or family Scalaridae, having elongated spiral turreted shells, with rounded whorls, usually crossed by ribs or varices. The color is generally white or pale. Called also ladder shell, and wentletrap. See Ptenoglossa, and Wentletrap..
Verticillus :: Verticillus (n.) A whorl; a verticil.
Whorl :: Whorl (n. & v.) The fly of a spindle.
Spur-shell :: Spurry (n.) An annual herb (Spergula arvensis) with whorled filiform leaves, sometimes grown in Europe for fodder..
Verticillaster :: Verticillaster (a.) A whorl of flowers apparently of one cluster, but composed of two opposite axillary cymes, as in mint. See Illust. of Whorl..
Turrilite :: Turrilite (n.) Any fossil ammonite of the genus Turrilites. The shell forms an open spiral with the later whorls separate.
Whorl :: Whorl (n. & v.) A circle of two or more leaves, flowers, or other organs, about the same part or joint of a stem..
Gyration :: Gyration (n.) One of the whorls of a spiral univalve shell.
Verticil :: Verticil (n.) A circle either of leaves or flowers about a stem at the same node; a whorl.
Discoid :: Discoid (a.) 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..
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..
Vermetus :: Vermetus (n.) Any one of many species of marine gastropods belonging to Vermetus and allied genera, of the family Vermetidae. Their shells are regularly spiral when young, but later in life the whorls become separate, and the shell is often irregularly bent and contorted like a worm tube..
Whorl :: Whorl (n. & v.) A volution, or turn, of the spire of a univalve shell..
Quadrifoliate :: Quadrifoliate (a.) Four-leaved; having the leaves in whorls of four.
Volution :: Volution (n.) A whorl of a spiral shell.
Scepterellate :: Scepterellate (a.) Having a straight shaft with whorls of spines; -- said of certain sponge spicules. See Illust. under Spicule.
Exogen :: Exogen (n.) A plant belonging to one of the greater part of the vegetable kingdom, and which the plants are characterized by having c wood bark, and pith, the wood forming a layer between the other two, and increasing, if at all, by the animal addition of a new layer to the outside next to the bark. The leaves are commonly netted-veined, and the number of cotyledons is two, or, very rarely, several in a whorl. Cf. Endogen..
Turritella :: Turritella (n.) 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..
Solarium :: Solarium (n.) 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..
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