/ Dictionary / Index U U.D.C.: Meaning and Definition of Find definitions for: U.D.C. Pronunciation: [key] United Daughters of the Confederacy. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Udall udder Related Content Daily Word Quiz: diaphanous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language