Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “mammal”

See all translations

mammal

noun [C] uk   /ˈmæm.əl/ us  
C1 any animal of which the female feeds her young on milk from her own body. Most mammals give birth to live young, not eggs: Humans, dogs, elephants, and dolphins are all mammals, but birds, fish, and crocodiles are not.
mammalian
adjective uk   /məˈmeɪ.li.ən/ specialized us  
mammalian evolution mammalian species
Translations of “mammal”
in Korean 포유류…
in Arabic حَيوان ثَدْيي…
in French mammifère…
in Turkish memeli hayvan…
in Italian mammifero…
in Chinese (Traditional) 哺乳動物…
in Russian млекопитающее…
in Polish ssak…
in Spanish mamífero…
in Portuguese mamífero…
in German das Säugetier…
in Catalan mamífer…
in Japanese ほ乳類…
in Chinese (Simplified) 哺乳动物…
(Definition of mammal from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of mammal?
Add Cambridge dictionaries to your browser to your website

Definitions of “mammal” in other dictionaries

Word of the Day

sail

When a boat or a ship sails, it travels on the water.

Word of the Day

Byronic, Orwellian and Darwinian: adjectives from names.

by Liz Walter,
April 15, 2015
Becoming an adjective is a strange kind of memorial, but it is often a sign of a person having had real influence on the world. Science is full of examples, from Hippocrates, the Greek medic born around 460 BC, who gave his name to the Hippocratic Oath still used by doctors today,

Read More 

dumbwalking noun

April 20, 2015
walking slowly, without paying attention to the world around you because you are consulting a smartphone He told me dumbwalking probably wouldn’t be a long-term problem.

Read More