/ Dictionary / Index F fanfish: Meaning and Definition of Find definitions for: fan•fish Pronunciation: (fan'fish"), [key] — pl. -fish•es, -fish. a pelagic fish, Pteraclis velifera, having greatly expanded dorsal and anal fins. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. fanfaronade fanfold Related Content Daily Word Quiz: diligent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language