Age of mammals. See under Age, n., 8.

(||Mam*ma"li*a) n. pl. [NL., from L. mammalis. See Mammal.] (Zoöl.) 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.

Mammalia are divided into three subclasses; —

I. Placentalia. This subclass embraces all the higher orders, including man. In these the fetus is attached to the uterus by a placenta.

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.

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 mammæ.

(Mam*ma"li*an) a. Of or pertaining to the Mammalia or mammals.

(Mam`ma*lif"er*ous) a. [Mammal + -ferous.] (Geol.) Containing mammalian remains; — said of certain strata.

(Mam`ma*log"ic*al) a. Of or pertaining to mammalogy.

(Mam*mal"o*gist) n. [Cf. F. mammalogiste.] One versed in mammalogy.

(Mam*mal"o*gy) n. [Mamma breast + -logy: cf. f. mammalogie.] The science which relates to mammals or the Mammalia. See Mammalia.

(Mam"ma*ry) a. [Cf. F. mammaire.] (Anat.) Of or pertaining to the mammæ or breasts; as, the mammary arteries and veins.

(Mam*mee") n. [Haytian mamey.] (Bot.) A fruit tree of tropical America, belonging to the genus Mammea (M. Americana); also, its fruit. The latter is large, covered with a thick, tough ring, and contains a bright yellow pulp of a pleasant taste and fragrant scent. It is often called mammee apple.

(Mam"mer) v. i. [Cf. G. memme coward, poltroon.] To hesitate; to mutter doubtfully. [Obs.]

(Mam"met) n. [See Mawmet.] An idol; a puppet; a doll. [Obs.] Selden. Shak.

(Mam"met*ry) n. See Mawmetry. [Obs.]

(Mam"mi*fer) n. [NL. See Mammiferous.] (Zoöl.) A mammal. See Mammalia.

(Mam*mif"er*ous) a. [Mamma breast + -ferous: cf. F. mammifère.] Having breasts; of, pertaining to, or derived from, the Mammalia.

(Mam"mi*form) a. [Mamma breast + -form: cf. F. mammiforme.] Having the form of a mamma (breast) or mammæ.

(||Mam*mil"la) n.; pl. Mammilæ [L., dim. of mamma a breast.] (Anat.) The nipple.

Mammal to Management

(Mam"mal) n.; pl. Mammals [L. mammalis belonging to the breast, fr. mamma the breast or pap: cf. F. mammal.] (Zoöl.) One of the Mammalia.

  By PanEris using Melati.

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