/ Dictionary / Index R RAF: Meaning and Definition of Find definitions for: RAF Pronunciation: [key] Royal Air Force. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: raf (Thesaurus) Raetic raff Related Content Daily Word Quiz: placid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language