1) German beer style 
Dunkel, or Dunkles, is a word used for several types of dark German lager. Dunkel is the German word meaning dark, and dunkel beers typically range in colour from amber to dark reddish brown. They are characterized by their smooth malty flavour. In informal terms, such as when ordering at a bar, `dunkel` is likely to mean whatever dark beer the .....
Dunkel is a German style of dark, soft, malty brown lager.