Definitions of placental:
  • noun:   mammals having a placenta; all mammals except monotremes and marsupials
  • adjective:   of or having or occurring by means of a placenta
    Example: "All mammals except monotremes and marsupials are placental mammals"

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Search for placental at other dictionaries: OneLook, Oxford, American Heritage, Merriam-Webster, Wikipedia

See placental used in context: 2 rhymes, several books and articles.

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