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