Met·ter·nich 
(mĕtər-nĭk, -nĭ), Prince Klemens Wenzel Nepomuk Lothar von 1773-1859.
(mĕtər-nĭk, -nĭ), 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.