/ Dictionary / Index U uniface: Meaning and Definition of Find definitions for: u•ni•face Pronunciation: (y'nu-fās"), [key] — n. Numis. a coin or medal having a blank reverse. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. unidirectional unifactorial Related Content Daily Word Quiz: inutiae Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language