Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of spiral is as below...

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..

Mask Shell :: Mask shell () Any spiral marine shell of the genus Persona, having a curiously twisted aperture..

Rissoid :: Rissoid (n.) Any one of very numerous species of small spiral gastropods of the genus Rissoa, or family Rissoidae, found both in fresh and salt water..

Wreathy :: Wreathy (a.) Wreathed; twisted; curled; spiral; also, full of wreaths..

Creeper :: Creeper (n.) Any device for causing material to move steadily from one part of a machine to another, as an apron in a carding machine, or an inner spiral in a grain screen..

Pillworm :: Pillworm (n.) Any myriapod of the genus Iulus and allied genera which rolls up spirally; a galleyworm. See Illust. under Myriapod.

Coil :: Coil (v. t.) To wind cylindrically or spirally; as, to coil a rope when not in use; the snake coiled itself before springing..

Spiry :: Spirulate (n.) Having the color spots, or structural parts, arranged spirally..

Tendril :: Tendril (a.) A slender, leafless portion of a plant by which it becomes attached to a supporting body, after which the tendril usually contracts by coiling spirally..

Spirulate :: Spirula (n.) A genus of cephalopods having a multilocular, internal, siphunculated shell in the form of a flat spiral, the coils of which are not in contact..

Spiry :: Spiry (a.) Of a spiral form; wreathed; curled; serpentine.

Paucispiral :: Paucispiral (a.) Having few spirals, or whorls; as, a paucispiral operculum or shell..

Helicine :: Helicine (a.) Curled; spiral; helicoid; -- applied esp. to certain arteries of the penis.

Markhoor :: Markhoor (n.) A large wild goat (Capra megaceros), having huge flattened spiral horns. It inhabits the mountains of Northern India and Cashmere..

Caracole :: Caracole (n.) A staircase in a spiral form.

Spiring :: Spirillum (n.) A genus of common motile microorganisms (Spirobacteria) having the form of spiral-shaped filaments. One species is said to be the cause of relapsing fever.

Triseriate :: Triseriate (a.) Arranged in three vertical or spiral rows.

Triton :: Triton (n.) 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..

Helicograph :: Helicograph (n.) An instrument for drawing spiral lines on a plane.

Maclurea :: Maclurea (n.) A genus of spiral gastropod shells, often of large size, characteristic of the lower Silurian rocks..

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