1pot·ty 
/ˈpɑ:ti/ noun
plural pot·ties /ˈpɑ:ti/ noun informal 1 [count] : a pot that children use as a toilet until they are big enough to use a toilet 2 the potty : the toilet or bathroom — used by children or when talking to children ▪ Mommy, I need to use the potty.
go potty
US, informal : to use the toilet — used by children or when talking to children. ▪ Be sure to go potty before we leave the house. ▪ I have to go potty.
