Hamadryad

n.	1.
	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.

Noun	1.	hamadryad - the nymph or spirit of a particular tree
	2.	hamadryad - large cobra of southeastern Asia and the East Indies; the largest venomous snake; sometimes placed in genus Naja Synonyms: king cobra, Naja hannah, Ophiophagus hannan

dryad, wood nymph