HAMADRYAD Meaning of HAMADRYAD in English n.1 (in Greek and Roman mythology) a nymph who lives in a tree and dies when it dies. 2 the king cobra, Naja bungarus. Etymology: ME f. L hamadryas f. Gk hamadruas f. hama with + drus tree Oxford English vocab. Оксфордский английский словарь. 2012