from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The release of an ovum from the ovary.
from the GNU version of the Collaborative International Dictionary of English
- n. The formation of ova or eggs in the ovary, and the discharge of the same. In the human female the discharge occurs about halfway between menstruation times.
from The Century Dictionary and Cyclopedia
- n. The formation or production of ova or ovules; also, a discharge of an ovum from the Ovary.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the expulsion of an ovum from the ovary (usually midway in the menstrual cycle)
From ovulum + -ation. (Wiktionary)