/ Dictionary / Index O ovarium: Meaning and Definition of Find definitions for: o•var•i•um Pronunciation: (ō-vâr'ē-um), [key] — pl. o•var•i•a ovary. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ovaritis ovary 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