The Collaborative International Dictionary
Echidnine
Echidnine \E*chid"nine\ (?; 104), n. [See Echidna.] (Chem.)
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.
--Brande & C.
Wiktionary
echidnine
n. 1 The clear, viscid fluid secreted by the poison glands of certain snakes. 2 (context organic compound English) A nitrogenous base contained in this fluid, believed to be the active poisonous principle of the virus.