Definitions

from The Century Dictionary.

  • In zoology, the highest class of Vertebrata, containing all those animals which suckle their young, and no others; mammiferous animals; the mammals.

from the GNU version of the Collaborative International Dictionary of English.

  • noun plural (Zoöl.) The highest class of Vertebrata. The young are nourished for a time by milk, or an analogous fluid, secreted by the mammary glands of the mother.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun obsolete Alternative capitalization of Mammalia

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun warm-blooded vertebrates characterized by mammary glands in the female

Etymologies

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