Echidna
Pronunciation : E*chid"na
Part of Speech : n.
Etymology : [L., a viper, adder, Gr.
Definition : 1. (Gr. Myth.)
Defn: A monster, half maid and half serpent.
2. (Zo?l.)
Defn: A genus of Monotremata found in Australia, Tasmania, and New Guinea. They are toothless and covered with spines; -- called also porcupine ant-eater, and Australian ant-eater.
Source : Webster's Unabridged Dictionary, 1913