mammal
[ mam-uh l ]
/ ˈmæm əl /
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.
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Nearby words
mamillation, mamilliform, mamillothalamic fascicle, mamma, mammae, mammal, mammalgia, mammalia, mammalian, mammality, mammalogy
Origin of mammal
Related formsmam·mal·like, adjective
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for mammal
British Dictionary definitions for mammal
mammal
/ (ˈmæməl) /
noun
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 Formsmammalian (mæˈmeɪlɪən), adjective, nounmammal-like, adjective
Word Origin for mammal
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 mammal
mammal
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
Science definitions for mammal
mammal
[ măm′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 © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.