Source : Webster's Revised Unabridged Dictionary (1913)

Bhang \Bhang\, n. [Per. bang; cf. Skr. bhang[=a] hemp.]
   An astringent and narcotic drug made from the dried leaves
   and seed capsules of wild hemp ({Cannabis Indica}), and
   chewed or smoked in the East as a means of intoxication. See
   {Hasheesh}.

Source : WordNet®

bhang
     n : a preparation of the leaves and flowers of the hemp plant;
         much used in India