DuckCorp Dico

Found one definition

1.                 From German - English Ding/FreeDict dictionary ver. 1.9-fd1:
                   
   
   
                   
                     
   Köper /kˈøːpɜ/ <masc, n, sg>
   twilled cloth <n>, twill <n>
         "dreifädiger/dreibindiger/dreischäftiger Köper"  - three-end/three-leaf/three-shaft twill
      Synonym: Croisé
    see: vierbindiger Köper