The Collaborative International Dictionary of English v.0.48:

Hog \Hog\ (h[o^]g), n. [Prob. akin to E. hack to cut, and
   meaning orig., a castrated boar; cf. also W. hwch swine, sow,
   Armor. houc'h, hoc'h. Cf. Haggis, Hogget, and
   Hoggerel.]
   1. (Zool.) A quadruped of the genus Sus, and allied genera
      of Suid[ae]; esp., the domesticated varieties of Sus
      scrofa, kept for their fat and meat, called,
      respectively, lard and pork; swine; porker;
      specifically, a castrated boar; a barrow.
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   Note: The domestic hogs of Siam, China, and parts of Southern
         Europe, are thought to have been derived from Sus
         Indicus.
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   2. A mean, filthy, or gluttonous fellow. [Low.]
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   3. A young sheep that has not been shorn. [Eng.]
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   4. (Naut.) A rough, flat scrubbing broom for scrubbing a
      ship's bottom under water. --Totten.
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   5. (Paper Manuf.) A device for mixing and stirring the pulp
      of which paper is made.
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   Bush hog, Ground hog, etc.. See under Bush, Ground,
      etc.

   Hog caterpillar (Zool.), the larva of the green grapevine
      sphinx; -- so called because the head and first three
      segments are much smaller than those behind them, so as to
      make a resemblance to a hog's snout. See Hawk moth.

   Hog cholera, an epidemic contagious fever of swine,
      attended by liquid, fetid, diarrhea, and by the appearance
      on the skin and mucous membrane of spots and patches of a
      scarlet, purple, or black color. It is fatal in from one
      to six days, or ends in a slow, uncertain recovery. --Law
      (Farmer's Veter. Adviser.)

   Hog deer (Zool.), the axis deer.

   Hog gum (Bot.), West Indian tree (Symphonia globulifera),
      yielding an aromatic gum.

   Hog of wool, the trade name for the fleece or wool of sheep
      of the second year.

   Hog peanut (Bot.), a kind of earth pea.

   Hog plum (Bot.), a tropical tree, of the genus Spondias
      (Spondias lutea), with fruit somewhat resembling plums,
      but chiefly eaten by hogs. It is found in the West Indies.


   Hog's bean (Bot.), the plant henbane.

   Hog's bread.(Bot.) See Sow bread.

   Hog's fennel. (Bot.) See under Fennel.

   Mexican hog (Zool.), the peccary.

   Water hog. (Zool.) See Capybara.
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The Collaborative International Dictionary of English v.0.48:

Axis \Ax"is\, n. [L.] (Zool.)
   The spotted deer (Cervus axis or Axis maculata) of India,
   where it is called hog deer and parrah (Moorish name).
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