van de Velde, Henri Syllabification: (van de Vel·de, Henri)Pronunciation: /ˌvän də ˈveldə/Definition of van de Velde, Henri (1863–1957), Belgian architect, designer, and teacher; full name Henri Clemens van de Velde. He pioneered the development of art nouveau design and architecture in Europe. van de Velde, Henri in other Oxford dictionaries Definition of van de Velde, Henri in the British & World English dictionary