chef-d'oeuvre
nounNAmE//ˌʃeɪ ˈdərv//, NAmE//ˌʃeɪˈduvrə//
(pl. chefs-d'oeuvre NAmE//ˌʃeɪ ˈdərv//, NAmE//ˌʃeɪˈduvrə//
) (from French) (formal)Check pronunciation: chef-d'oeuvre
Definition of chef-d'oeuvre noun from the Oxford Advanced American Dictionary