/ Dictionary / Index D D.F.M.: Meaning and Definition of Find definitions for: D.F.M. Pronunciation: [key] Distinguished Flying Medal. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. D.F.C. dg Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language