Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
pot-trained is an adjective meaning "(of children) trained to use the toilet". It carries one recorded sense.
(of children) trained to use the toilet
Definitions, synonyms and semantic relations for pot-trained come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.