Origin: L. Hamadryas, -adis, gr.; together _ oak, tree: cf. F. Hamadryade. See same, and tree.
1. A tree nymph whose life ended with that of the particular tree, usually an oak, which had been her abode.
2. (Science: zoology) a large venomous East indian snake (Orhiophagus bungarus), allied to the cobras.