Monotrematous

Definitions

  • Webster's Revised Unabridged Dictionary
    • a Monotrematous (Zoöl) Of or pertaining to the Monotremata.
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Century Dictionary and Cyclopedia
    • monotrematous Having a single or common opening for the genital, urinary, and digestive organs, as a mammal; pertaining to the Monotremata, or having their characters; monotreme; prototherian.
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Chambers's Twentieth Century Dictionary
    • adj Monotrematous —also Mon′otreme
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Etymology

Chambers's Twentieth Century Dictionary
Gr. monos, alone, trēma, a hole.