/ Dictionary / Index R rondure: Meaning and Definition of Find definitions for: ron•dure Pronunciation: (ron'jur), [key] — n. a circle or sphere. a graceful curving or roundness. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Rondônia rongeur Related Content Daily Word Quiz: philtrum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language