URINATE

make, urinate, piddle, puddle, micturate, piss, pee, pee-pee, make water, relieve oneself, take a leak, spend a penny, wee, wee-wee, pass water

(verb) eliminate urine; “Again, the cat had made on the expensive rug”

urinate

(verb) pass after the manner of urine; “The sick men urinated blood”

Source: WordNet® 3.1

Etymology

Verb

urinate (third-person singular simple present urinates, present participle urinating, simple past and past participle urinated)

(urology) To pass urine from the body.

Usage notes

This is a medical term loaned from Latin, but some people prefer to use this word in some social situations as an alternative to piss which can be too vulgar and pee, wee, etc. which can sound embarrassingly childish. The same applies to the noun urine.