[mam-uh
l] 
| any vertebrate of the class Mammalia, having the body more or less covered with hair, nourishing the young with milk from the mammary glands, and, with the exception of the egg-laying monotremes, giving birth to live young. |
| mam·mal (mām'əl) n. 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. [From Late Latin mammālis, of the breast, from Latin mamma, breast; see mā-2 in Indo-European roots.] mam·ma'li·an (mā-mā'lē-ən) adj. & n. |
