con·gou /ˈkɑŋ(ˌ)go, (ˌ)gu/
  工夫茶
  Con·gou Con·go, n.  Black tea, of higher grade (finer leaf and less dusty) than the present bohea. Also called {English breakfast tea}. See Tea.
     Of black teas, the great mass is called Congou, or the =\“well worked”, a name which took the place of the Bohea of 150 years ago, and is now itself giving way to the term “English breakfast tea.”\=   --S. W. Williams.
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  congou
       n : black tea grown in China [syn: congo, congou tea, English
           breakfast tea]