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Definition of mammal
: any of a class (Mammalia) of warm-blooded higher vertebrates (such as placentals, marsupials, or monotremes) that nourish their young with milk secreted by mammary glands, have the skin usually more or less covered with hair, and include humans
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Examples of mammal in a Sentence
Human beings, dogs, and cats are all mammals.
Recent Examples of mammal from the Web
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One of the oldest known species of mammals, black rhinos are native to Eastern and Central Africa and weigh between 1,760 and 3,080 pounds as adults.
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Humans, like all mammals, are heat engines; surviving means having to continually cool off, like panting dogs.
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The falcon trainer explained that Bedouins would catch the birds of prey, then patiently train them to hunt rabbits and other small mammals.
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Research suggests that remnants of these viruses were co-opted by some ancestors of modern mammals, giving rise to the placenta.
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Most mammal mothers eat placentas after giving birth — camels and humans had been the exceptions.
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For more information, click here or visit www.fws.gov/southeast/wildlife/mammals/florida-panther/. The comment period ends Aug. 29.
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The signature long neck has only seven vertebrae, the same as most mammals.
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Most mammal mothers eat placentas after giving birth — camels and humans traditionally were the exceptions.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'mammal'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of mammal
New Latin Mammalia, from Late Latin, neuter plural of mammalis of the breast, from Latin mamma breast
MAMMAL Defined for English Language Learners
mammal
playDefinition of mammal for English Language Learners
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: a type of animal that feeds milk to its young and that usually has hair or fur covering most of its skin
MAMMAL Defined for Kids
mammal
playDefinition of mammal for Students
: a warm-blooded animal (as a dog, mouse, bear, whale, or human being) with a backbone that feeds its young with milk produced by the mother and has skin usually more or less covered with hair
Medical Dictionary
Learn More about mammal
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Spanish Central: Translation of mammal Nglish: Translation of mammal for Spanish speakers Britannica English: Translation of mammal for Arabic speakers Britannica.com: Encyclopedia article about mammal
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