'Echidna' definitions:

Definition of 'echidna'

From: WordNet
noun
A burrowing monotreme mammal covered with spines and having a long snout and claws for hunting ants and termites; native to New Guinea [syn: echidna, spiny anteater, anteater]
noun
A burrowing monotreme mammal covered with spines and having a long snout and claws for hunting ants and termites; native to Australia [syn: echidna, spiny anteater, anteater]

Definition of 'Echidna'

From: GCIDE
  • Echidna \E*chid"na\ ([-e]*k[i^]d"n[.a]), n. [L., a viper, adder, Gr. 'e`chidna.]
  • 1. (Gr. Myth.) A monster, half maid and half serpent. [1913 Webster]
  • 2. (Zo["o]l.) 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. [1913 Webster]