any one of different warm-blooded vertebrate animals of the course Mammalia, including people, described as a covering of hair in the epidermis and, within the female, milk-producing mammary glands for nourishing the younger.
An animal associated with the course Mammalia, characterized by becoming warm-blooded, having tresses and feeding milk to its youthful.
A vertebrate with three bones within the internal ear and something into the jaw.
An animal associated with the class Mammalia.
any warm-blooded vertebrate obtaining the epidermis pretty much covered with hair; young are created alive excluding the tiny subclass of monotremes and nourished with milk