hama·dry·ad /ˌhæməˈdraɪəd, ˌæd/
 樹神,印度產毒蛇之一種
 Ham·a·dry·ad n.; pl. E. Hamadryads L. Hamadryades
 1. Class. Myth. A tree nymph whose life ended with that of the particular tree, usually an oak, which had been her abode.
 2. Zool. A large venomous East Indian snake (Ophiophagus bungarus), allied to the cobras.
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 hamadryad
      n 1: the nymph or spirit of a particular tree
      2: large cobra of southeastern Asia and the East Indies; the
         largest venomous snake; sometimes placed in genus Naja
         [syn: king cobra, Ophiophagus hannan, Naja hannah]