spiral

adj. of or pertaining to a spiral; twisting around a fixed center point; helical; having a spiral binding (as of a book)

v. wind, coil, twist around an axis, form into a spiral, move in a looping or winding fashion; progressively increase or decrease

n. curve that twists around a fixed center point; three dimensional curve turning around an axis, helix; something having a spiral-like curve; progressive upward or downward movement

For other senses of this word, see spiral (disambiguation). In mathematics, a spiral is a curve which emanates from a central point, getting progressively farther away as it revolves around the point.
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Spiral /spi·ral/ 1. helical; winding like the thread of a screw. 2. helix; a winding structure. Curschmann's spirals coiled mucinous fibrils [more]Spiral - Community and Resources

Noun
1. a plane curve traced by a point circling about the center but at ever-greater distances from it
(hypernym) curve, curved shape
2. a curve that lies on the surface of a cylinder or cone and cuts the element at a constant angle
(synonym) helix
(hypernym) curve, curved shape
(hyponym) double helix
3. ornament consisting of a curve on a plane that winds around a center with an increasing distance from the center
(synonym) volute
(hypernym) decoration, ornament, ornamentation
4. a structure consisting of something wound in a continuous series of loops; "a coil of rope"
(synonym) coil, volute, whorl, helix
(hypernym) structure, construction
(hyponym) hank
(derivation) gyrate, coil
5. flying downward in a helical path with a large radius
(hypernym) rotation, rotary motion
(derivation) corkscrew
Verb
1. to wind or move in a spiral course; "the muscles and nerves of his fine drawn body were coiling for action"; "black smoke coiling up into the sky"; "the young people gyrated on the dance floor"
(synonym) gyrate, coil
(hypernym) turn
(derivation) coil, volute, whorl, helix
2. form a spiral; "The path spirals up the mountain"
(hypernym) wind, curve
(derivation) helix
3. move in a spiral or zigzag course
(synonym) corkscrew
(hypernym) turn
Adjective
1. in the shape of a coil
(synonym) coiling, helical, spiraling, volute, voluted, whorled, turbinate
(similar) coiled

n. hairspring, delicate spring in a clock