Source : Webster's Revised Unabridged Dictionary (1913)

Urinary \U"ri*na*ry\, a. [L. urina urine: cf. F. urinaire.]
   1. Of or pertaining to the urine; as, the urinary bladder;
      urinary excretions.

   2. Resembling, or being of the nature of, urine.

   {Urinary calculus} (Med.), a concretion composed of some one
      or more crystalline constituents of the urine, liable to
      be found in any portion of the urinary passages or in the
      pelvis of the kidney.

   {Urinary pigments}, (Physiol. Chem.), certain colored
      substances, urochrome, or urobilin, uroerythrin, etc.,
      present in the urine together with indican, a colorless
      substance which by oxidation is convertible into colored
      bodies.

Source : WordNet®

urinary calculus
     n : a calculus formed in the kidney [syn: {kidney stone}, {nephrolith},
          {renal calculus}]