An animal of the class Mammalia, characterized by being warm-blooded, having hair and producing milk with which to feed its young.

The state or quality of being mammalian, of being a mammal.

plural of mammal

Any mammal that has molars in its dentition; this includes all modern monotremes, marsupials and placentals

Synonym of synapsid

A mammal which lives wholly in seawater, such as whales and dolphins, or that is restricted to coastal habitats and feeds on marine life, such as seals, sea cows, polar bears, and sea otters.

synonym of marine mammal

plural of stem mammal

plural of sea mammal

plural of marine mammal