I. pee 1 /piː/ BrE AmE verb [intransitive]
[ Date: 1700-1800 ; Origin: From the first letter of piss ]
informal to pass liquid waste from your body SYN urinate
II. pee 2 BrE AmE noun informal
1 . [uncountable] liquid waste passed from your body SYN urine
2 . [singular] an act of passing liquid waste from your body
go for a pee/have a pee British English take a pee American English not polite :
Have I got time to go for a pee before we leave?