(of children) trained to use the toilet(adjective)
WordNet. Princeton University. 2010.
Use "toilet-trained" in a sentence
"There are folks who want to go back to the good old days - the 1950s - when 90 percent of kids were toilet-trained by 18 months."
"Some schools want to maximize their focus on academics by restricting classes to the fully toilet-trained."
"Arlington's Office of Early Childhood is reviewing Rosso's request, but spokeswoman Linda Erdos said requiring 3-year-olds to be toilet-trained has been county policy for decades."