undulant

from WordNet (r) 3.0 (2006)

undulant
    adj 1: resembling waves in form or outline or motion [syn:
           {undulatory}, {undulant}]

from The Collaborative International Dictionary of English v.0.48

Undulant \Un"du*lant\, a.
   Undulating. [R.]
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

62 Moby Thesaurus words for "undulant":
      alternate, beating, bent, billowing, billowy, circling, curvaceous,
      curvate, curvated, curve, curved, curvesome, curviform,
      curvilineal, curvilinear, curving, curvy, cyclic, epochal, even,
      every other, geosynclinal, incurvate, incurvated, incurved,
      incurving, intermittent, isochronal, labyrinthine, mazy,
      meandering, measured, metronomic, oscillatory, periodical, pulsing,
      reciprocal, recurrent, recurring, recurvate, recurvated, recurved,
      recurving, rhythmic, rolling, rotary, seasonal, serial, serpentine,
      sinuous, steady, surgy, tortuous, undulate, undulated, undulating,
      undulative, undulatory, wavelike, waving, wavy, wheeling