Boileau, Nicholas Syllabification: (Boi·leau, Nicholas)Pronunciation: /bwäˈlō/Definition of Boileau, Nicholas (1636–1711), French critic and poet; full name Nicholas Boileau-Despréaux. One of the founders of French literary criticism, his didactic poem Art poétique (1674) defined principles of composition and criticism. Boileau, Nicholas in other Oxford dictionaries Definition of Boileau, Nicholas in the British & World English dictionary