DuckCorp Dico

Found one definition

1.                 From English - German Ding/FreeDict dictionary ver. 1.9-fd1:
                   
   
   
                   
                     
   surgical gut /sˈɜːdʒɪkəl ɡˈʌt/
   Katgut <neut>, Catgut <neut> [med.]
            Note: chirurgisches Nahtmaterial aus Schafsdarm
      Synonym: catgut
    see: chromicized catgut, chromized catgut