Mammal

имя существительное млекопитающее Например: the higher mammal — высшее млекопитающее the lower mammal — низшее млекопитающее

Большой англо-русский словарь

Mammal

noun Etymology: New Latin Mammalia, from Late Latin, neuter plural of mammalis of the breast, from Latin mamma breast 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 • mammalian adjective or noun

Энциклопедический словарь Мерриама-Вебстера