DuckCorp Dico

Found one definition

1.                 From English - German Ding/FreeDict dictionary ver. 1.9-fd1:
                   
   
   
                   
                     
   pian /pˈaɪən/
   Himbeerpocken <pl>, Himbeerwarzensucht <fem>, Frambösie <fem>, Framboesia tropica <fem> [med.]
      Synonyms: Breda's disease, framboesia, yaws, bouba, coco
    see: childhood yaws, tertiary yaws, gangosa