/ Dictionary / Index U Umberto: Meaning and Definition of Find definitions for: Um•ber•to Pronunciation: (It.m-ber'tô), [key] — n. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. umber umbilical Related Content Daily Word Quiz: pristine Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language