/ Dictionary / Index O ootid: Meaning and Definition of Find definitions for: o•o•tid Pronunciation: (ō'u-tid), [key] — n. Cell Biol. the cell that results from the meiotic divisions of an oocyte and matures into an ovum. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: ootid (Thesaurus) ootheca ooze Related Content Daily Word Quiz: opulent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language