Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
chef-d'oeuvre is a noun meaning "the most outstanding work of a creative artist or craftsman". It carries one recorded sense.
the most outstanding work of a creative artist or craftsman
Definitions, synonyms and semantic relations for chef-d'oeuvre come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.