Valois Syllabification: (Va·lois)Pronunciation: /valˈwä, ˈvalˌwä/Definition of Valois the French royal house from the accession of Philip VI, successor to the last Capetian king, in 1328 to the death of Henry III in 1589, when the throne passed to the Bourbons. Valois in other Oxford dictionaries Definition of Valois in the British & World English dictionary