urinate

from WordNet (r) 3.0 (2006)

urinate
    v 1: pass after the manner of urine; "The sick men urinated
         blood"
    2: eliminate urine; "Again, the cat had made on the expensive
       rug" [syn: {make}, {urinate}, {piddle}, {puddle},
       {micturate}, {piss}, {pee}, {pee-pee}, {make water}, {relieve
       oneself}, {take a leak}, {spend a penny}, {wee}, {wee-wee},
       {pass water}]

from The Collaborative International Dictionary of English v.0.48

Urinate \U"ri*nate\, v. i. [LL. urinare.]
   To discharge urine; to make water.
   [1913 Webster]