MONOTREME


Meaning of MONOTREME in English

/ ˈmɒnətriːm; NAmE ˈmɑːn-/ noun

( technical ) a class of animal including the echidna and the platypus , which lays eggs, but also gives milk to its babies

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WORD ORIGIN

mid 19th cent.: from mono- single + Greek trēma hole.

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.