/ Dictionary / Index F fanback: Meaning and Definition of Find definitions for: fan•back Pronunciation: (fan'bak"), [key] — adj. (of a chair) having a fan-shaped back. (of a Windsor chair or the like) having a back of vertical spindles fanning out from seat to upper rail. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. fanaticize fan belt Related Content Daily Word Quiz: rustic Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language