mammal

noun

Any of various warm-blooded vertebrate animals of the class Mammalia, including humans, characterized by a covering of hair on the skin and, in the female, milk-producing mammary glands for nourishing the young.

Having breasts or teats; mammiferous.

noun

An animal of the class Mammalia.

noun

One of the Mammalia.

noun

See under Age, n., 8.

noun

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

noun

A vertebrate with three bones in the inner ear and one in the jaw.

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