Definify.com
Webster 1913 Edition
Echidna
‖
E-chid′na
(ē̍-kĭd′nȧ)
, Noun.
[L., a viper, adder, Gr.
ἔχιδνα
.] 1.
(Gr. Myth.)
A monster, half maid and half serpent.
2.
(Zoöl.)
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
. 