1. [ noun ] (zoology) 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
Related terms: vertebrate tusker placental metatherian fossorial_mammal female_mammal prototherian Mammalia hair coat dropped estrous allantois weaned biauriculate_heart Amniota plantigrade anestrous amnion chorion ride digitigrade
Similar spelling:   Mammalia