from The American Heritage® Dictionary of the English Language, 4th Edition

  • intransitive v. To bend or curve; wind in and out: a road that sinuates through the Alps.
  • adj. Having a wavy indented margin, as a leaf.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • v. To advance in wavy or curvy manner, to bend, to curve, to wind in and out
  • adj. sinuous
  • adj. Having wavy indentation on its border or edge.
  • adj. Roughly the same height for most of its length, becoming much shallower and then curving back towards the stem before reaching the attachment point.

from the GNU version of the Collaborative International Dictionary of English

  • adj. Having the margin alternately curved inward and outward; having rounded lobes separated by rounded sinuses; sinuous; wavy.
  • intransitive v. To bend or curve in and out; to wind; to turn; to be sinuous.

from The Century Dictionary and Cyclopedia

  • To bend or curve in and out: wind; turn.
  • Sinuous; serpentine; tortuous; wavy; irregularly turning or winding in and out, as a margin or edge; indented; notched.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. curved or curving in and out
  • adj. having a strongly waved margin alternately concave and convex


Latin sinuāre, sinuāt-, to bend, from sinus, curve.
(American Heritage® Dictionary of the English Language, Fourth Edition)
Latin sinuatus, past participle of sinuare to wind, bend, from sinus a bend. From sine, originally from Latin sinus. (Wiktionary)



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  • a sine (sign) of the vines (times)?

    November 26, 2014

  • having a margin that is strongly wavy (plants)

    June 12, 2007