1. potty-trained - Adjective
2. potty-trained - Adjective Satellite
(of children) trained to use the toilet
Source: WordNetpotty trained
I do believe babies are born potty-trained. They're born knowing and are able to give subtle signals that become very prominent if you reinforce them. Mayim Bialik
They do ask they your child be 3-years or older and potty-trained. Source: Internet
If your child is potty-trained, make sure to show them the bathroom and explain who will take them while you are away. Source: Internet