DuckCorp Dico

Found one definition

1.                 From German - English Ding/FreeDict dictionary ver. 1.9-fd1:
                   
   
   
                   
                     
   K2 /kˈɑː tsvˈaɪ/ <masc, n, sg>
   K2 <n>, Savage Mountain <n>
            Note: the world's second-highest mountain on the border between China and Pakistan
            Note: zweithöchster Berg der Welt an der Grenze zwischen China und Pakistan