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

lamb

a young sheep, or the flesh of a young sheep eaten as meat

Word of the Day

The way we move (Verbs for walking and running)

by Kate Woodford,
March 25, 2015
​​​ This week we’re looking at interesting ways to describe the way that people move. Most of the verbs that we’ll be considering describe how fast or slow people move. Others describe the attitude or state of mind of the person walking or running. Some describe both. Starting with verbs for walking slowly,

Read More 

crossfit noun

March 23, 2015
high-intensity strength training Two women in strappy dresses discussed how much weight they could snatch

Read More