/ Dictionary / Index B barrelfish: Meaning and Definition of Find definitions for: bar•rel•fish Pronunciation: (bar'ul-fish"), [key] — pl. -fish•es, -fish. a blackish stromateid fish, Hyperoglyphe perciformis, inhabiting New England coastal waters. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: barrelfish (Thesaurus) barreleye barrelful 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