/ Dictionary / Index R renal calculus: Meaning and Definition of Find definitions for: re'nal cal'culus Pronunciation: [key] — Pathol. Pathol. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. renal Renan Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language