Main Entry: mam·mal

Pronunciation: \ˈma-məl\

Function: noun

Etymology: New Latin Mammalia, from Late Latin, neuter plural of mammalis of the breast, from Latin mamma breast

Date: 1826

: any of a class (Mammalia) of warm-blooded higher vertebrates (as placentals, marsupials, or monotremes) that nourish their young with milk secreted by mammary glands, have the skin usually more or less covered with hair, and include humans

— mam·ma·li·an \mə-ˈmā-lē-ən, ma-\ adjective or noun