/ Dictionary / Index R ronco: Meaning and Definition of Find definitions for: ron•co Pronunciation: (rong'kō), [key] — pl. -cos. any grunt of the genus Haemulon, esp. H. parrai, the sailor's-choice, of West Indian waters. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Roncesvalles rond de jambe Related Content Daily Word Quiz: morose Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language