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English definition of “mammal”

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.Plants and animals - general words
mammalian
adjective uk   /məˈmeɪ.li.ən/ specialized us  
mammalian evolution mammalian speciesPlants and animals - general words
(Definition of mammal from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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