pass water

From medical use of pass to refer to removing a substance from the body through natural processes.

pass water (third-person singular simple present passes water, present participle passing water, simple past and past participle passed water)

1. (euphemistic) To urinate.
   • 1996 July 16, Daine Mahood, "Caught in a web of spinal pain," Independent (UK) (retrieved 27 July 2015):

     My bladder has also been affected by nerve damage: sometimes I cannot pass water, sometimes I have to have a catheter.

   • 2015 Jan. 18, Associated Press, "Mystery Kidney Disease Killing Sri Lankan Farmer," New York Times (retrieved 27 July 2015):

     [P]atients arrived at hospitals complaining of fatigue, loss of appetite, joint pain and difficulty passing water.

• make water, see also Thesaurus:urinate

• move one's bowels