"echidna" in the noun sense
1. echidna, spiny anteater, anteater
a burrowing monotreme mammal covered with spines and having a long snout and claws for hunting ants and termites native to New Guinea
2. echidna, spiny anteater, anteater
a burrowing monotreme mammal covered with spines and having a long snout and claws for hunting ants and termites native to Australia
Source: WordNet® (An amazing lexical database of English)
Princeton University "About WordNet®."
WordNet®. Princeton University. 2010.
View WordNet® License