1. (noun)echidna, spiny anteater, anteater a burrowing monotrememammal covered with spines and having a long snout and claws for hunting ants and termites; native to New Guinea
2. (noun)echidna, spiny anteater, anteater a burrowing monotrememammal covered with spines and having a long snout and claws for hunting ants and termites; native to Australia