MONOTREME


Meaning of MONOTREME in English

n. any mammal of the order Monotremata, native to Australia and New Guinea, including the duckbill and spiny anteater, laying large yolky eggs through a common opening for urine, faeces, etc.

Etymology: MONO- + Gk trema -matos hole

Oxford English vocab.      Оксфордский английский словарь.