1. Eliminate urine
   "She had to spend a penny at the train station";
   - urinate, piddle [informal], micturate [formal], pee [informal], pee-pee [informal], make water [archaic], relieve oneself [informal], take a leak [informal], wee [Brit, informal], wee-wee [informal], pass water, widdle [Brit, informal]

Derived forms: spending a penny, spent a penny, spends a penny

Type of: egest, eliminate, excrete, pass

Encyclopedia: Spend a penny