mammal

mam·mal | \ ˈma-məl

\

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

Other Words from mammal Example Sentences Learn More about mammal

Keep scrolling for more

Examples of mammal in a Sentence

Human beings, dogs, and cats are all mammals.

Recent Examples on the Web 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 The winged mammal has been the reservoir for several different deadly viruses like Marburg, Nipah and Hendra, which have caused disease in humans and outbreaks in Uganda, Malaysia, Bangladesh and Australia. — Katie Hunt, CNN, "Bats, the source of so many viruses, could be the origin of Wuhan coronavirus, say experts," 29 Jan. 2020 The six-month-old mammal is now bottle-fed by volunteers every several hours. — Peter Dawson, Houston Chronicle, "Baby dolphin bitten by shark off the Texas coast, wounds being treated in Galveston," 24 Sep. 2019 The prehistoric mammal had also been breathing CO2-flooded air. — Natalie Wolchover, WIRED, "As the World Warms, Clouds Could Disappear—Catastrophically," 3 Mar. 2019 The prehistoric mammal had also been breathing CO2-flooded air. — Wired, "As the World Warms, Clouds Could Disappear—Catastrophically," 3 Mar. 2019 Cowlitz County Sheriff's Deputies responded to a report on Sunday that the nearly 600-pound seafaring mammal was in the road outside of Castle Rock, Washington. — ABC News, "Sea lion found off the beaten path in Washington wilderness, returned to water," 25 Feb. 2020 On that day, news leaked out that the scientific journal Nature was about to publish a report of the birth of the first mammal cloned from adult cells — a sheep named Dolly. — Henry T. Greely, STAT, "Human reproductive cloning: The curious incident of the dog in the night-time," 21 Feb. 2020 The woman splashed her hand in the water, tapped the boat’s side and blew kisses to the giant mammal. — USA TODAY, "Rock slides wreak havoc, close encounters with great white shark, gray whale: News from around our 50 states," 14 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.

Keep scrolling for more

Learn More about mammal

Dictionary Entries near mammal

Statistics for mammal

Last Updated

16 Mar 2020

Cite this Entry

“Mammal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mammal. Accessed 29 Mar. 2020.

Keep scrolling for more

More Definitions for mammal

mammal

noun

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

See the full definition for mammal in the English Language Learners Dictionary

mammal

noun

mam·mal | \ ˈma-məl

\

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

\