Echidnine n. : The clear, viscid fluid secreted by the poison glands of certain serpents; also, a nitrogenous base contained in this, and supposed to be the active poisonous principle of the virus.

Example:


Taxonomy
Echidna, species, Zaglossus, Tachyglossidae, genus, snout, Australia, free encyclopedia, genus Tachyglossus, genus Zaglossus, Short-beaked Echidna, ants, termites, puggle, family, monotremes, mammals, Megalibgwilia.

Defination from the web:
... SC Nicol, NA Andersen, NH Phillips, RJ Berger (2000-02-11), "The echidna manifests typical characteristics of rapid eye movement sleep", Neuroscience letters ...