stadtholder UK /ˈstædˌhəʊldə/US /ˈstætˌhoʊldɚ/ noun2 •(historical) The chief provincial magistrate, military commander, and, as a member of the House of Orange, highest-ranking noble in the Dutch Republic, who often served as a de facto head of state alongside the States General; the position became hereditary in 1747For decades, no stadtholder who would counterbalance the power of the Amsterdam regents had been appointed. — 2001 •(historical) An office formerly held by Danish and Swedish officials, best translated as governor-general. formsstadtholders