Definition of mammal

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< mamma

mammalogy >

mam·mal    (mml) KEY  

NOUN:

Any of various warm-blooded vertebrate animals of the class Mammalia, including humans, characterized by a covering of hair on the skin and, in the female, milk-producing mammary glands for nourishing the young.

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ETYMOLOGY:
From Late Latin mammlis, of the breast, from Latin mamma, breast; see m- ² in Indo-European roots

OTHER FORMS:
mam·mali·an   (m-ml-n) KEY  (Adjective) (Noun)

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