micturate
/ˈmikCHəˌrāt/
verb
FORMAL
verb: micturate; 3rd person present: micturates; past tense: micturated; past participle: micturated; gerund or present participle: micturating
- urinate.”she became unable to go out for more than about ten minutes without having to micturate”
Origin

mid 19th century: back-formation from micturition, from Latin micturit- ‘urinated’, from the verb micturire .