Metternich Klemens Wenzel Nepomuk Lothar von

Met·ter·nich

M0260800 (mĕt′ər-nĭk, -nĭKH), Prince Klemens Wenzel Nepomuk Lothar von 1773-1859. Austrian politician and diplomat who helped form the alliance of Austria, Great Britain, Prussia, and Russia that ultimately defeated Napoleon I.