/ Dictionary / Index R rondelle: Meaning and Definition of Find definitions for: ron•delle Pronunciation: (ron-del'), [key] — n. a small disk of glass used as an ornament in a stained-glass window. a flat bead, often of rock crystal or onyx, used in a necklace as a spacer between contrasting stones. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. rondelet rondo Related Content Daily Word Quiz: soporific Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language