<hw>Mam"ma</hw> <tt>(?)</tt>, <tt>n.</tt>; <plu>pl. <plw>Mamm\'91</plw> <tt>(#)</tt></plu>. <ety>[L. <ets>mamma</ets> breast.]</ety> <fld>(Anat.)</fld> <def>A glandular organ for secreting milk, characteristic of all mammals, but usually rudimentary in the male; a mammary gland; a breast; under; bag.</def>
<h1>Mammal</h1> <Xpage=888>
<hw>Mam"mal</hw> <tt>(?)</tt>, <tt>n.</tt>; <plu>pl. <plw>Mammals</plw> <tt>(#)</tt></plu>. <ety>[L. <ets>mammalis</ets> belonging to the breast, fr. <ets>mamma</ets> the breast or pap: cf. F. <ets>mammal</ets>.]</ety> <fld>(Zo\'94l.)</fld> <def>One of the Mammalia.</def>
<cs><col>Age of mammals</col>. <cd>See under <er>Age</er>, <tt>n.</tt>, 8.</cd></cs>
<h1>Mammalia</h1> <Xpage=888>
<hw>Mam*ma"li*a</hw> <tt>(?)</tt>, <tt>n. pl.</tt> <ety>[NL., from L. <ets>mammalis</ets>. See <er>Mammal</er>.]</ety> <fld>(Zo\'94l.)</fld> <def>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.</def>
<note>&hand; Mammalia are divided into threes subclasses; --
I. <stype>Placentalia</stype>. This subclass embraces all the higher orders, including man. In these the fetus is attached to the uterus by a placenta.
II. <stype>Marsupialia</stype>. 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. <stype>Monotremata</stype>. In this group, which includes the genera <spn>Echidna</spn> and <spn>Ornithorhynchus</spn>, 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 mamm\'91. </note>
<h1>Mammalian</h1> <Xpage=888>
<hw>Mam*ma"li*an</hw> <tt>(?)</tt>, <tt>a.</tt> <def>Of or pertaining to the Mammalia or mammals.</def>
<h1>Mammaliferous</h1> <Xpage=888>
<hw>Mam`ma*lif"er*ous</hw> <tt>(?)</tt>, <tt>a.</tt> <ety>[<ets>Mammal</ets> + <ets>-ferous</ets>.]</ety> <fld>(Geol.)</fld> <def>Containing mammalian remains; -- said of certain strata.</def>
<h1>Mammalogical</h1> <Xpage=888>
<hw>Mam`ma*log"ic*al</hw> <tt>(?)</tt>, <tt>a.</tt> <def>Of or pertaining to mammalogy.</def>
<h1>Mammalogist</h1> <Xpage=888>
<hw>Mam*mal"o*gist</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[Cf. F. <ets>mammalogiste</ets>.]</ety> <def>One versed in mammalogy.</def>
<h1>Mammalogy</h1> <Xpage=888>
<hw>Mam*mal"o*gy</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[<ets>Mamma</ets> breast + <ets>-logy</ets>: cf. f. <ets>mammalogie</ets>.]</ety> <def>The science which relates to mammals or the Mammalia. See <er>Mammalia</er>.</def>
<h1>Mammary</h1> <Xpage=888>
<hw>Mam"ma*ry</hw> <tt>(?)</tt>, <tt>a.</tt> <ety>[Cf. F. <ets>mammaire</ets>.]</ety> <fld>(Anat.)</fld> <def>Of or pertaining to the mamm\'91 or breasts; <as>as, the <ex>mammary</ex> arteries and veins</as>.</def>
<h1>Mammee</h1> <Xpage=888>
<hw>Mam*mee"</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[Haytian <ets>mamey</ets>.]</ety> <fld>(Bot.)</fld> <def>A fruit tree of tropical America, belonging to the genus <spn>Mammea</spn> (<spn>M. Americana</spn>); 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 <altname>mammee apple</altname>.</def>
<h1>Mammer</h1> <Xpage=888>
<hw>Mam"mer</hw> <tt>(?)</tt>, <tt>v. i.</tt> <ety>[Cf. G. <ets>memme</ets> coward, poltroon.]</ety> <def>To hesitate; to mutter doubtfully.</def> <mark>[Obs.]</mark>
<h1>Mammet</h1> <Xpage=888>
<hw>Mam"met</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[See <er>Mawmet</er>.]</ety> <def>An idol; a puppet; a doll.</def> <mark>[Obs.]</mark>
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