1A medieval duchy of northern France, home of the Valois dynasty.
2The French royal house from the accession of Philip VI in 1328 to the death of Henry III (1589).
Definition of Valois in US English:
Valois
proper nounvalˈwä
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.