/ Dictionary / Index O ovariole: Meaning and Definition of Find definitions for: o•var•i•ole Pronunciation: (ō-vâr'ē-ōl"), [key] — n. Entomol. any of several tubules that compose an insect ovary. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ovariectomy ovariotomy Related Content Daily Word Quiz: dormant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language