/ Dictionary / Index D devilfish: Meaning and Definition of Find definitions for: dev•il•fish Pronunciation: (dev'ul-fish"), [key] — pl. -fish, -fish•es. manta. octopus. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: devilfish (Thesaurus) devil dog devilish Related Content Daily Word Quiz: arid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language