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monotreme

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noun mono·treme \ˈmä-nə-ˌtrēm\

Definition of monotreme

  1. :  any of an order (Monotremata) of egg-laying mammals comprising the platypuses and echidnas



Origin and Etymology of monotreme

New Latin Monotremata, from Greek mon- + trēmat-, trēma hole — more at trematode


First Known Use: 1835


Medical Dictionary

monotreme

play
noun mono·treme \ˈmän-ə-ˌtrēm\

Medical Definition of monotreme

  1. :  any mammal (as a platypus) of the order Monotremata




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