1. Of or relating to the class Mammalia
   "Mammalian characteristics include the presence of hair and the production of milk"

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
   "Humans are mammalian species";
   - mammal

Derived forms: mammalians

Type of: craniate, vertebrate

Part of: class Mammalia, Mammalia

Encyclopedia: Mammalian