mammal

[mam-uhl]
noun
any vertebrate of the class Mammalia, having the body more or less covered with hair, nourishing the young with milk from the mammary glands, and, with the exception of the egg-laying monotremes, giving birth to live young.

Origin:
1820–30; as singular of Neo-Latin Mammalia neuter plural of Late Latin mammālis of the breast. See mamma2, -al1

mammallike, adjective
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
mammal (ˈmæməl)
 
n
any animal of the Mammalia, a large class of warm-blooded vertebrates having mammary glands in the female, a thoracic diaphragm, and a four-chambered heart. The class includes the whales, carnivores, rodents, bats, primates, etc
 
[C19: via New Latin from Latin mamma breast]
 
mammalian
 
adj, —n
 
'mammal-like
 
adj

Collins English Dictionary - Complete & Unabridged 10th Edition
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Etymonline
Word Origin & History

mammal
1826, Anglicized form of Mod.L. Mammalia (1773), coined 1758 by Linnaeus for the class of mammals, from neut. pl. of L.L. mammalis "of the breast," from L. mamma "breast," perhaps cognate with mamma.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Science Dictionary
mammal   (mām'əl)  Pronunciation Key 
Any of various warm-blooded vertebrate animals of the class Mammalia, whose young feed on milk that is produced by the mother's mammary glands. Unlike other vertebrates, mammals have a diaphragm that separates the heart and lungs from the other internal organs, red blood cells that lack a nucleus, and usually hair or fur. All mammals but the monotremes bear live young. Mammals include rodents, cats, dogs, ungulates, cetaceans, and apes.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences
There is not one kind of bird, one kind of fish, one kind of animal or one kind
  of mammal.
They began by finding a molecule that would carry a novel amino acid to a
  mammal cell's protein factories.
They were one of several different mammal lineages that emerged around that
  time.
Play the game and see if you can identify the mammal shown here.
Image for mammal
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