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...

Concho-spiral :: Concho-spiral (n.) A kind of spiral curve found in certain univalve shells.

Helispherical :: Helispherical (a.) Spiral.

Gyration :: Gyration (n.) The act of turning or whirling, as around a fixed center; a circular or spiral motion; motion about an axis; rotation; revolution..

Musculospiral :: Musculospiral (a.) Of or pertaining to the muscles, and taking a spiral course; -- applied esp. to a large nerve of the arm..

Spiral :: Spiral (a.) Winding round a cylinder or imaginary axis, and at the same time rising or advancing forward; winding like the thread of a screw; helical..

Coil :: Coil (v. i.) To wind itself cylindrically or spirally; to form a coil; to wind; -- often with about or around.

Umbilicus :: Umbilicus (n.) A depression or opening in the center of the base of many spiral shells.

Worm :: Worm (n.) Anything spiral, vermiculated, or resembling a worm.

Stentor :: Stentor (n.) Any species of ciliated Infusoria belonging to the genus Stentor and allied genera, common in fresh water. The stentors have a bell-shaped, or cornucopia-like, body with a circle of cilia around the spiral terminal disk. See Illust. under Heterotricha..

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..

Cable :: Cable (n.) A molding, shaft of a column, or any other member of convex, rounded section, made to resemble the spiral twist of a rope; -- called also cable molding..

Spiralozooid :: Spirally (adv.) In a spiral form, manner, or direction..

Scutibranchiata :: Scutibranchiata (n. pl.) An order of gastropod Mollusca having a heart with two auricles and one ventricle. The shell may be either spiral or shieldlike.

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..

Scroll :: Scroll (n.) An ornament formed of undulations giving off spirals or sprays, usually suggestive of plant form. Roman architectural ornament is largely of some scroll pattern..

Screw :: Screw (n.) A cylinder, or a cylindrical perforation, having a continuous rib, called the thread, winding round it spirally at a constant inclination, so as to leave a continuous spiral groove between one turn and the next, -- used chiefly for producing, when revolved, motion or pressure in the direction of its axis, by the sliding of the threads of the cylinder in the grooves between the threads of the perforation adapted to it, the former being distinguished as the external, or male screw, or,

Limacina :: Limacina (n.) A genus of small spiral pteropods, common in the Arctic and Antarctic seas. It contributes to the food of the right whales..

Gyratory :: Gyratory (a.) Moving in a circle, or spirally; revolving; whirling around..

Rifle :: Rifle (v. t.) To grove; to channel; especially, to groove internally with spiral channels; as, to rifle a gun barrel or a cannon..

Bulimus :: Bulimus (n.) A genus of land snails having an elongated spiral shell, often of large size. The species are numerous and abundant in tropical America..

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