The Collaborative International Dictionary of English v.0.48:

Urinary \U"ri*na*ry\, a. [L. urina urine: cf. F. urinaire.]
   [1913 Webster]
   1. Of or pertaining to the urine; as, the urinary bladder;
      urinary excretions.
      [1913 Webster]

   2. Resembling, or being of the nature of, urine.
      [1913 Webster]

   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.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Urinary \U"ri*na*ry\, n.
   A urinarium; also, a urinal.
   [1913 Webster]

WordNet (r) 3.0 (2006):

urinary
    adj 1: of or relating to the function or production or secretion
           of urine
    2: of or relating to the urinary system of the body