From Longman Dictionary of Contemporary Englishpeepee1 /piː/ verb [intransitive] informalHB to pass liquid waste from your body SYN urinate→ See Verb table
Examples from the Corpus
pee• It smells like the cat peed in there.• The old woman walked down the steps, sought out a secluded corner dropped her pants, and peed on the ground.• The white pillows on the floor of the Seclusion Room were soaked from me peeing on them while I was out.peepee2 noun informal 1 [uncountable]HB liquid waste passed from your body SYN urine2 [singular]HB an act of passing liquid waste from your bodygo for a pee/have a pee British English, take a pee American English not politeHave I got time to go for a pee before we leave?Origin pee1 (1700-1800) From the first letter of piss 