helical

from WordNet (r) 3.0 (2006)

helical
    adj 1: in the shape of a coil [syn: {coiling}, {helical},
           {spiral}, {spiraling}, {volute}, {voluted}, {whorled},
           {turbinate}]

from The Collaborative International Dictionary of English v.0.48

Helical \Hel"i*cal\, a. [From {Helix}.]
   Of or pertaining to, or in the form of, a helix; spiral; as,
   a helical staircase; a helical spring. -- {Hel"i*cal*ly},
   adv.
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

35 Moby Thesaurus words for "helical":
      O-shaped, ambagious, anfractuous, backhanded, circuitous, circular,
      cochlear, cochleate, corkscrew, corkscrewy, deviating, deviative,
      devious, digressive, discursive, excursive, helicoid, indirect,
      meandering, oblique, orbital, out-of-the-way, rotary, round,
      roundabout, screw-shaped, scrolled, spiral, spiroid, turbinal,
      turbinate, verticillate, volute, voluted, whorled

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