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Meaning of SPIRAL

Pronunciation:  'spIrul

WordNet Dictionary
  1. [n]  flying downward in a helical path with a large radius
  2. [n]  a structure consisting of something wound in a continuous series of loops; "a coil of rope"
  3. [n]  ornament consisting of a curve on a plane that winds around a center with an increasing distance from the center
  4. [n]  a plane curve traced by a point circling about the center but at ever-greater distances from it
  5. [n]  a curve that lies on the surface of a cylinder or cone and cuts the element at a constant angle
  6. [adj]  in the shape of a coil
  7. [v]  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"
  8. [v]  move in a spiral or zigzag course
  9. [v]  form a spiral; "The path spirals up the mountain"

SPIRAL is a 6 letter word that starts with S.


 Synonyms: coil, coil, coiled, coiling, corkscrew, gyrate, helical, helix, helix, spiraling, turbinate, volute, volute, voluted, whorl, whorled
 See Also: construction, curve, curve, curved shape, decoration, hank, ornament, ornamentation, rotation, structure, turn, wind



Webster's 1913 Dictionary
  1. \Spi"ral\, a. [Cf. F. spiral. See {Spire} a winding
    1. Winding or circling round a center or pole and gradually
       receding from it; as, the spiral curve of a watch spring.
    2. Winding round a cylinder or imaginary axis, and at the
       same time rising or advancing forward; winding like the
       thread of a screw; helical.
    3. (Geom.) Of or pertaining to a spiral; like a spiral.
    {Spiral gear}, or {Spiral wheel} (Mach.), a gear resembling
       in general a spur gear, but having its teeth cut at an
       angle with its axis, or so that they form small portions
       of screws or spirals.
    {Spiral gearing}, a kind of gearing sometimes used in light
       machinery, in which spiral gears, instead of bevel gears,
       are used to transmit motion between shafts that are not
    {Spiral operculum}, an operculum whih has spiral lines of
    {Spiral shell}, any shell in which the whorls form a spiral
       or helix.
    {Spiral spring}. See the Note under {Spring}, n., 4.
  2. \Spi"ral\, n. [Cf. F. spirale. See {Spiral}, a.]
    1. (Geom.) A plane curve, not re["e]ntrant, described by a
       point, called the generatrix, moving along a straight line
       according to a mathematical law, while the line is
       revolving about a fixed point called the pole. Cf.
    2. Anything which has a spiral form, as a spiral shell.
    {Equiangular spiral},a plane curve which cuts all its
       generatrices at the same angle. Same as {Logarithmic
       spiral}, under {Logarithmic}.
    {Spiral of Archimedes}, a spiral the law of which is that the
       generatrix moves uniformly along the revolving line, which
       also moves uniformly.
Dream Dictionary
 Definition: Seeing a spiral in your dream indicates that some situation in your waking life is spilling out of control with end. Alternatively, it may mean your creative power and new ideas.
Biology Dictionary
 Definition: Of leaves or floral organs, borne at different levels on the main stem, in an ascending spiral. Compare cyclic.