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...

Rifle :: Rifle (n.) A gun, the inside of whose barrel is grooved with spiral channels, thus giving the ball a rotary motion and insuring greater accuracy of fire. As a military firearm it has superseded the musket..

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..

Revolution :: Revolution (n.) Return to a point before occupied, or to a point relatively the same; a rolling back; return; as, revolution in an ellipse or spiral..

Gyroidal :: Gyroidal (a.) Turning the plane of polarization circularly or spirally to the right or left.

Reversed :: Reversed (a.) Turned side for side, or end for end; changed to the contrary; specifically (Bot. & Zool.), sinistrorse or sinistral; as, a reversed, or sinistral, spiral or shell..

Gastropoda :: Gastropoda (n. pl.) One of the classes of Mollusca, of great extent. It includes most of the marine spiral shells, and the land and fresh-water snails. They generally creep by means of a flat, muscular disk, or foot, on the ventral side of the body. The head usually bears one or two pairs of tentacles. See Mollusca..

Turbinal :: Turbinal (a.) Rolled in a spiral; scroll-like; turbinate; -- applied to the thin, plicated, bony or cartilaginous plates which support the olfactory and mucous membranes of the nasal chambers..

Twist :: Twist (v. t.) To contort; to writhe; to complicate; to crook spirally; to convolve.

Gyroidal :: Gyroidal (a.) Having the planes arranged spirally, so that they incline all to the right (or left) of a vertical line; -- said of certain hemihedral forms..

Twist :: Twist (n.) The spiral course of the rifling of a gun barrel or a cannon.

Homodromous :: Homodromous (a.) Running in the same direction; -- said of stems twining round a support, or of the spiral succession of leaves on stems and their branches..

Spirillum :: Spirifer (n.) Any one of numerous species of fossil brachipods of the genus Spirifer, or Delthyris, and allied genera, in which the long calcareous supports of the arms form a large spiral, or helix, on each side..

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

Ionic :: Ionic (a.) Pertaining to the Ionic order of architecture, one of the three orders invented by the Greeks, and one of the five recognized by the Italian writers of the sixteenth century. Its distinguishing feature is a capital with spiral volutes. See Illust. of Capital..

Ganoidei :: Ganoidei (n. pl.) One of the subclasses of fishes. They have an arterial cone and bulb, spiral intestinal valve, and the optic nerves united by a chiasma. Many of the species are covered with bony plates, or with ganoid scales; others have cycloid scales..

Turnip-shell :: Turnip-shell (n.) Any one of several large, thick, spiral marine shells belonging to Rapa and allied genera, somewhat turnip-shaped..

Sasin :: Sasin (n.) The Indian antelope (Antilope bezoartica, / cervicapra), noted for its beauty and swiftness. It has long, spiral, divergent horns..

Twine :: Twine (v. i.) To ascend in spiral lines about a support; to climb spirally; as, many plants twine..

Cingulum :: Cingulum (n.) A distinct girdle or band of color; a raised spiral line as seen on certain univalve shells.

Fusee :: Fusee (n.) The cone or conical wheel of a watch or clock, designed to equalize the power of the mainspring by having the chain from the barrel which contains the spring wind in a spiral groove on the surface of the cone in such a manner that the diameter of the cone at the point where the chain acts may correspond with the degree of tension of the spring..

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