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...

Twist :: Twist (v. i.) To follow a helical or spiral course; to be in the form of a helix.

Helical :: Helical (a.) Of or pertaining to, or in the form of, a helix; spiral; as, a helical staircase; a helical spring..

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

Turban :: Turban (n.) The whole set of whorls of a spiral shell.

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..

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

Spirality :: Spiral (a.) Anything which has a spiral form, as a spiral shell..

Gyroidal :: Gyroidal (a.) Spiral in arrangement or action.

Sinistral :: Sinistral (a.) Having the whorls of the spire revolving or rising to the left; reversed; -- said of certain spiral shells.

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..

Chank :: Chank (n.) The East Indian name for the large spiral shell of several species of sea conch much used in making bangles, esp. Turbinella pyrum. Called also chank chell..

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..

Volute :: Volute (n.) A spiral scroll which forms the chief feature of the Ionic capital, and which, on a much smaller scale, is a feature in the Corinthian and Composite capitals. See Illust. of Capital, also Helix, and Stale..

Screw :: Screw (n.) Specifically, a kind of nail with a spiral thread and a head with a nick to receive the end of the screw-driver. Screws are much used to hold together pieces of wood or to fasten something; -- called also wood screws, and screw nails. See also Screw bolt, below..

Truncated :: Truncated (a.) Lacking the apex; -- said of certain spiral shells in which the apex naturally drops off.

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

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..

Helispherical :: Helispherical (a.) Spiral.

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

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

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