noun [ C ]
UK /ˈmæm.əl/ US /ˈmæm.əl/
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.
mammal /ˈmaml /
▸ noun a warm-blooded vertebrate animal of a class that is distinguished by the possession of hair or fur, females that secrete milk for the nourishment of the young, and (typically) the birth of live young.
