from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A volume generated by the rotation of a plane figure about an axis in its plane.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A solid produced by taking a particular two-dimensional curve and rotating it through 360° about an axis. The curve will sweep out a surface, and the region inside the surface defines a solid.
from the GNU version of the Collaborative International Dictionary of English
- n. See Revolution, n., 5.
Sorry, no etymologies found.