mammal

noun
mam·​mal | \ ˈma-məl How to pronounce mammal (audio) \

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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Other Words from mammal

mammalian \ mə-​ˈmā-​lē-​ən How to pronounce mammalian (audio) , ma-​ \ adjective or noun
mammal-like \ ˈma-​məl-​ˌlīk How to pronounce mammal-like (audio) \ or less commonly mammallike adjective
mammal-like behavior mammallike reptiles

Examples of mammal in a Sentence

Human beings, dogs, and cats are all mammals.
Recent Examples on the Web The recent excavation of a cave site along Portugal's coast revealed a wealth of fossilized remains of food, including fish, birds and mammals. Ashley Strickland, CNN, "European Neanderthals ate fresh seafood, which may have given their brains a boost," 26 Mar. 2020 The aquarium’s Monterey Bay Cam also offers viewers a peek at the birds and sea mammals — like harbor seals and sea otters — that find refuge in the bay. Mariel Padilla, New York Times, "Children Stuck at Home Can Still Explore the Zoo or Aquarium. Some Penguins Could, Too.," 18 Mar. 2020 Their diet in rural areas consists of small birds and mammals for long periods of the year, resulting in scat that is long, twisted, and contains bits of bone and fur. Popular Science, "Eleven animals you can identify by their poop," 23 Jan. 2020 Their diet in rural areas consists of small birds and mammals for long periods of the year, resulting in scat that is long, twisted, and contains bits of bone and fur. Bill Heavey, Field & Stream, "11 Kinds of Animal Poop Hunters Should Know," 13 Jan. 2020 Subantarctic Islands These islands in the Southern Ocean, which are on the way to Antarctica from Australia and New Zealand, are protected nature preserves, where only researchers live among birds and marine mammals. Fran Golden / Bloomberg, Time, "8 Cruise Destinations to Inspire Your 2020 Travel Plans," 27 Dec. 2019 The ordinance approved Monday extends the ability to discharge firearms to people trying to get rid of nuisance birds or mammals on properties within the city boundaries used for farming or other agricultural business. David Anderson, baltimoresun.com, "Havre de Grace approves firearm use on farmland to protect crops from pests like invasive birds, groundhogs," 5 Dec. 2019 The analysis covered 108 studies of 109 species, which were divided into seven groups: amphibians, anthropods, birds, mammals, fish, reptiles and molluscs. Brigit Katz, Smithsonian, "Noise Pollution Impacts a Wide Range of Species, Study Finds," 22 Nov. 2019 The hero dog was distracted by a brown horse on the other side of the parking lot fence, who moseyed over to see what his fellow mammals were up to. Steve Rubenstein, SFChronicle.com, "Hero search dog tries not to let fame of Point Reyes rescue get to his fuzzy head," 26 Feb. 2020

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.

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First Known Use of mammal

1813, in the meaning defined above

History and Etymology for mammal

from base of New Latin Mammalia (Linnaeus), class name, noun derivative from neuter plural of mammālis, from Latin mamma "breast, udder" + -ālis -al entry 1 — more at mamma

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Time Traveler for mammal

Time Traveler

The first known use of mammal was in 1813

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Statistics for mammal

Last Updated

30 Mar 2020

Cite this Entry

“Mammal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mammal. Accessed 3 Apr. 2020.

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More Definitions for mammal

mammal

noun
How to pronounce mammal (audio)

English Language Learners Definition of mammal

: a type of animal that feeds milk to its young and that usually has hair or fur covering most of its skin

mammal

noun
mam·​mal | \ ˈma-məl How to pronounce mammal (audio) \

Kids Definition of mammal

: 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

mammal

noun
mam·​mal | \ ˈmam-əl How to pronounce mammal (audio) \

Medical Definition of mammal

: any of the higher vertebrate animals comprising the class Mammalia

Other Words from mammal

mammalian \ mə-​ˈmā-​lē-​ən, ma-​ How to pronounce mammalian (audio) \ adjective or noun

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More from Merriam-Webster on mammal

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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