/ Dictionary / Index I in utero: Meaning and Definition of Find definitions for: in u•ter•o Pronunciation: (in y'tu-rō"), [key] in the uterus; unborn. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. inurn in utero surgery Related Content Daily Word Quiz: pundit Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language