/ Dictionary / Index U urinary calculus: Meaning and Definition of Find definitions for: u'rinary cal'culus Pronunciation: [key] — Pathol. Pathol. a calcareous concretion in the urinary tract. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. urinary bladder urinary tract infection Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language