from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. rotation or revolution around an axis
from the GNU version of the Collaborative International Dictionary of English
- n. The act of rolling or revolving round, as a wheel; circumvolution; the state of being whirled round.
from The Century Dictionary and Cyclopedia
- n. The act of rotating or revolving, as a wheel or a planet; circumvolution; the state of being whirled round.
- n. A single rotation of a rotating body.
circum- + rotation (Wiktionary)