/ Dictionary / Index B butterfish: Meaning and Definition of Find definitions for: but•ter•fish Pronunciation: (but'ur-fish"), [key] — pl. -fish•es, -fish. a small, flattened, marine food fish, Peprilus triacanthus, of Atlantic coastal waters of the U.S., having very small scales and smooth skin. the rock gunnel. See under. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: butterfish (Thesaurus) butterfingers butterfly Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language