/ Dictionary / Index O ovariectomy: Meaning and Definition of Find definitions for: o•var•i•ec•to•my Pronunciation: (ō-vâr"ē-ek'tu-mē), [key] — pl. -mies. the operation of removing one or both ovaries; oophorectomy. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: ovariectomy (Thesaurus) ovarian ovariole Related Content Daily Word Quiz: grimace Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language