Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
chit-chat is a noun and verb meaning "light informal conversation for social occasions". It carries 2 recorded senses.
light informal conversation for social occasions
talk socially without exchanging too much information
“the men were sitting in the cafe and shooting the breeze”
Definitions, synonyms and semantic relations for chit-chat come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.