mammal mammal /ˈmæməl/

noun

1. () Any warm-blooded vertebrate having the skin more or less covered with hair; young are born alive except for the small subclass of monotremes and nourished with milk  ( mammalian , mammal )
   any warm-blooded vertebrate having the skin more or less covered with hair; young are born alive except for the small subclass of monotremes and nourished with milk
    The mammal nursed its young with milk
   The mammal nursed its young with milk