Hypertext Webster Gateway: "Mammal"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Mammal \Mam"mal\, n.; pl. {Mammals}. [L. mammalis belonging to
the breast, fr. mamma the breast or pap: cf. F. mammal.]
(Zo["o]l.)
One of the Mammalia.
{Age of mammals}. See under {Age}, n., 8.
From WordNet (r) 1.7 (wn)
mammal
n : any warm-blooded vertebrate having the skin more or less
covered with hair; young are born alive except for the
small subclass of monotremes and nourished with milk
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