/ Dictionary / Index R rockfish: Meaning and Definition of Find definitions for: rock•fish Pronunciation: (rok'fish"), [key] — pl. -fish, -fish•es. any of various fishes found about rocks. See any of the North Pacific and Atlantic marine fishes of the genus Sebastes. scorpionfish. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: rockfish (Thesaurus) rock-fill dam rock flour Related Content Daily Word Quiz: verbose Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language