/ Dictionary / Index O ovo-lacto-vegetarian: Meaning and Definition of Find definitions for: o•vo-lac•to-veg•e•tar•i•an Pronunciation: (ō"vō-lak"tō-vej"i-târ'ē-un), [key] — n. lacto-ovo-vegetarian. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ovolactarian ovolo Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language