/ Dictionary / Index F filefish: Meaning and Definition of Find definitions for: file•fish Pronunciation: (fīl'fish"), [key] — pl. -fish, -fish•es. any of several flattened marine fishes of the family Monacanthidae, having an elongated head with a small mouth and small, spiny scales. a triggerfish. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: filefish (Thesaurus) file clerk file folder Related Content Daily Word Quiz: entomology Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language