n. [ Reduplicated from the infantine word ma, influenced in spelling by L. mamma. ] Mother; -- word of tenderness and familiarity. [ Written also mama. ] [ 1913 Webster ]
Tell tales papa and mamma. Swift. [ 1913 Webster ]
n.; pl.Mammae [ L. mamma breast. ] (Anat.) A glandular organ for secreting milk, characteristic of all mammals, but usually rudimentary in the male; a mammary gland; a breast; udder; bag. [ 1913 Webster ]
‖n. pl. [ NL., from L. mammalis. See Mammal. ] (Zool.) The highest class of Vertebrata. The young are nourished for a time by milk, or an analogous fluid, secreted by the mammary glands of the mother. [ 1913 Webster ]
☞ Mammalia are divided into three subclasses; -- [ 1913 Webster ] I. Placentalia. This subclass embraces all the higher orders, including man. In these the fetus is attached to the uterus by a placenta. [ 1913 Webster ] II. Marsupialia. In these no placenta is formed, and the young, which are born at an early state of development, are carried for a time attached to the teats, and usually protected by a marsupial pouch. The opossum, kangaroo, wombat, and koala are examples. [ 1913 Webster ] III. Monotremata. In this group, which includes the genera Echidna and Ornithorhynchus, the female lays large eggs resembling those of a bird or lizard, and the young, which are hatched like those of birds, are nourished by a watery secretion from the imperfectly developed mammae. [ 1913 Webster ]
(n) 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, Syn.mammalian
แสดงได้ทั้งความหมายของคำเดี่ยว และคำผสม ได้อย่างถูกต้อง
เช่น Secretary of State=รัฐมนตรีต่างประเทศของสหรัฐฯ (ในภาพตัวอย่าง),
High school=โรงเรียนมัธยมปลาย
