hamadryad noun. [hamǝ'drʌɪǝd, -ad] Also (the usual form in sense 3) hamadryas [-ǝs], pl. -ases, -ades. LME.
[Latin Hamadryas, -ad from Greek Hamadruas, -ad, from hama together + drus tree.]
1. Classical Mythology. A wood nymph supposed to live and die with the tree she inhabited. LME.

2. The king cobra, Ophiophagus hannah. M19.

3. A large baboon, Papio hamadryas, of Ethiopia, Somalia, and southern Arabia, held sacred in ancient Egypt. Also hamadryad baboon. L19.

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