资料来源 : Webster's Revised Unabridged Dictionary (1913)

Asura \A*su"ra\, n. (Hind. Myth.)
   An enemy of the gods, esp. one of a race of demons and
   giants.

资料来源 : WordNet®

Asura
     n : earlier a god; later a demon; counterpart of Zoroastrian
         Ahura