Rot, n.
  1. Process of rotting; decay; putrefaction.
  2. Bot. A disease or decay in fruits, leaves, or wood, supposed to be caused by minute fungi. See Bitter rot, Black rot, etc., below.
  3.  A fatal distemper which attacks sheep and sometimes other animals. It is due to the presence of a parasitic worm in the liver or gall bladder. See 1st Fluke, 2.
     His cattle must of rot and murrain die.   --Milton.
  Bitter rot Bot., a disease of apples, caused by the fungus Glaeosporium fructigenum. --F. L. Scribner.
  Black rot Bot., a disease of grapevines, attacking the leaves and fruit, caused by the fungus Laestadia Bidwellii. --F. L. Scribner.
  Dry rot Bot. See under Dry.
  Grinder's rot Med. See under Grinder.
  Potato rot. Bot. See under Potato.
  White rot Bot., a disease of grapes, first appearing in whitish pustules on the fruit, caused by the fungus Coniothyrium diplodiella. --F. L. Scribner.
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  Grind·er n.
  1. One who, or that which, grinds.
  2. One of the double teeth, used to grind or masticate the food; a molar.
  3. Zool. The restless flycatcher (Seisura inquieta)  of Australia; -- called also restless thrush and volatile thrush. It makes a noise like a scissors grinder, to which the name alludes.
  Grinder's asthma, Grinder's phthisis, or Grinder's rot Med., a lung disease produced by the mechanical irritation of the particles of steel and stone given off in the operation of grinding.
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