/ Dictionary / Index U UNC: Meaning and Definition of Find definitions for: UNC Pronunciation: [key] United Nations Command. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. unbuttoned uncage Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language