/ Dictionary / Index R ronyon: Meaning and Definition of Find definitions for: ron•yon Pronunciation: (run'yun), [key] — n. Obs. a mangy creature. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. röntgeno- 'roo Related Content Daily Word Quiz: nonchalant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language