MONOTREME


Meaning of MONOTREME in English

[ 'mɒnə(ʊ)tri:m ]

■ noun Zoology a mammal of a small order (Monotremata) comprising the platypus and the echidnas, distinguished by laying eggs and having a common urogenital and digestive opening.

Origin

C19: from mono- + Gk trēma 'hole'.

Concise Oxford English vocab.      Сжатый оксфордский словарь английского языка.