chef-d'œuvrePronunciation: /ʃeɪ ˈdəːvr(ə)/Definition of chef-d'œuvre noun (plural chefs-d'œuvre pronunc. same) a masterpiece: the painting was made after a number of preliminary studies as a self-conscious chef d’oeuvreOrigin:French, 'chief work'chef-d'œuvre in other Oxford dictionaries Definition of chef-d'œuvre in the US English dictionary