hamadryad

< /ˌhæm əˈdraɪ əˌdiz/.

1. Classical Mythology. a dryad who is the spirit of a particular tree.
2. king cobra.

noun

1. classical myth one of a class of nymphs, each of which inhabits a tree and dies with it
2. another name for king cobra

n.

late 14c., from Greek hamadryas (plural hamadryades) “wood-nymph,” fabled to die with her tree, from hama “together” (see same) + drus (genitive dryos) “tree.”