Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
belles-lettres is a noun meaning "creative writing valued for esthetic content". It carries one recorded sense.
creative writing valued for esthetic content
Definitions, synonyms and semantic relations for belles-lettres come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.