/ Dictionary / Index F fan letter: Meaning and Definition of Find definitions for: fan' let"ter Pronunciation: [key] a letter sent by an admiring fan, as to a celebrity. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. fanleaf fanlight Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language