from The American Heritage® Dictionary of the English Language, 4th Edition
- transitive v. To cause to move in a smooth wavelike motion.
- transitive v. To give a wavelike appearance or form to.
- intransitive v. To move in waves or with a smooth, wavelike motion. See Synonyms at swing.
- intransitive v. To have a wavelike appearance or form.
- intransitive v. To increase and decrease in volume or pitch as if in waves.
- adj. Having a wavy outline or appearance: leaves with undulate margins.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. To cause to move in a wavelike motion.
- v. To cause to resemble a wave
- v. To move in wavelike motions.
- v. To appear wavelike.
- adj. Wavy in appearance or form.
- adj. Changing the pitch and volume of one's voice.
- adj. Winding up and down gradually relative to the blade.
from the GNU version of the Collaborative International Dictionary of English
- adj. Same as undulated.
- transitive v. To cause to move backward and forward, or up and down, in undulations or waves; to cause to vibrate.
- intransitive v. To move in, or have, undulations or waves; to vibrate; to wave.
from The Century Dictionary and Cyclopedia
- Wavy; having a waved surface.
- To have a wavy motion; rise and fall in waves; move in waves.
- Synonyms Waver, etc. See fluctuate.
- To cause to wave, or move in waves; cause to vibrate.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. having a wavy margin and rippled surface
- v. stir up (water) so as to form ripples
- v. move in a wavy pattern or with a rising and falling motion
- v. occur in soft rounded shapes
- v. increase and decrease in volume or pitch, as if in waves
From Late Latin undula, small wave, diminutive of Latin unda, wave; see wed-1 in Indo-European roots.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Late Latin undulātus ("undulated"), from *undula ("small wave"), diminutive of Latin unda ("wave"). (Wiktionary)