/ Dictionary / Index F frostfish: Meaning and Definition of Find definitions for: frost•fish Pronunciation: (frôst'fish", frost'-), [key] — pl. -fish, -fish•es. either of two North American fishes, the tomcod of the Atlantic Ocean or the round whitefish, that appear when frost sets in. cutlassfish. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. frost feathers frostflower Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language