Breton, André Syllabification: (Bret·on, André)Pronunciation: /breˈtôN/Definition of Breton, André (1896–1966), French poet, essayist, and critic. He launched the surrealist movement, outlining the movement’s philosophy in his manifesto of 1924. Breton, André in other Oxford dictionaries Definition of Breton, André in the British & World English dictionary