Urinate :: Urinate (v. i.) To discharge urine; to make water.
Urination :: Urination (n.) The act or process of voiding urine; micturition.
Urinative :: Urinative (a.) Provoking the flow of urine; uretic; diuretic.
Urinator :: Urinator (n.) One who dives under water in search of something, as for pearls; a diver..