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. [MONO- + Gk trema -matos hole]
MONOTREME
Meaning of MONOTREME in English
English main colloquial, spoken dictionary. Английский основной разговорный словарь. 2012