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mammal

[mam-uh l] /ˈmæm əl/
noun
1.
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 of mammal
1820-1830
1820-30; as singular of New Latin Mammalia neuter plural of Late Latin mammālis of the breast. See mamma2, -al1
Related forms
mammallike, adjective
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Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for mammals

mammal

/ˈmæməl/
noun
1.
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
Derived Forms
mammalian (mæˈmeɪlɪən) adjective, noun
mammal-like, adjective
Word Origin
C19: via New Latin from Latin mamma breast
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for mammals

mammal

n.

1826, anglicized form of Modern Latin Mammalia (1773), coined 1758 by Linnaeus for the class of mammals, from neuter plural of Late Latin mammalis "of the breast," from Latin mamma "breast," perhaps cognate with mamma.

Online Etymology Dictionary, © 2010 Douglas Harper
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mammals in Science
mammal
  (mām'əl)   
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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mammals in Culture

mammals definition


A class of vertebrates characterized by the production of milk by the females and in most cases, by a hairy body covering. Most mammals give live birth to their young. Human beings are mammals.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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13
17
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