beaux arts Syllabification: (beaux arts)Pronunciation: /ˌbō ˈzär/Definition of beaux arts noun 1fine arts. 2 (usually Beaux Arts) [as modifier] relating to the classical decorative style maintained by the École des Beaux-Arts in Paris, especially in the 19th century. Origin:from French beaux-artsbeaux arts in other Oxford dictionaries Definition of beaux arts in the British & World English dictionary