from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. to bend in a direction that is continuously moving in a horizontal direction
from the GNU version of the Collaborative International Dictionary of English
- intransitive v. To pass through the stages of circumnutation.
from The Century Dictionary and Cyclopedia
- To nod or turn about; specifically, in botany, to move about in a more or less circular or elliptical path: said of the apex of a stem and of other organs of a plant. See circumnutation.
circum- + nutate (Wiktionary)