Mammal era Synonyms

Definitions for Mammal


  • (noun) 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

Definitions for Era


  • (noun) an extent of time associated with a particular person or thing
  • (noun) a period marked by distinctive character or reckoned from a fixed point or event
  • (noun) a major division of geological time ; an era is usually divided into two or more periods