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2 definitions found
 for Roller mill
From The Collaborative International Dictionary of English v.0.48 :

  Mill \Mill\, n. [OE. mille, melle, mulle, milne, AS. myln,
     mylen; akin to D. molen, G. m["u]hle, OHG. mul[imac],
     mul[imac]n, Icel. mylna; all prob. from L. molina, fr. mola
     millstone; prop., that which grinds, akin to molere to grind,
     Goth. malan, G. mahlen, and to E. meal. [root]108. See Meal
     flour, and cf. Moline.]
     [1913 Webster]
     1. A machine for grinding or comminuting any substance, as
        grain, by rubbing and crushing it between two hard, rough,
        or indented surfaces; as, a gristmill, a coffee mill; a
        bone mill.
        [1913 Webster]
  
     2. A machine used for expelling the juice, sap, etc., from
        vegetable tissues by pressure, or by pressure in
        combination with a grinding, or cutting process; as, a
        cider mill; a cane mill.
        [1913 Webster]
  
     3. A machine for grinding and polishing; as, a lapidary mill.
        [1913 Webster]
  
     4. A common name for various machines which produce a
        manufactured product, or change the form of a raw material
        by the continuous repetition of some simple action; as, a
        sawmill; a stamping mill, etc.
        [1913 Webster]
  
     5. A building or collection of buildings with machinery by
        which the processes of manufacturing are carried on; as, a
        cotton mill; a powder mill; a rolling mill.
        [1913 Webster]
  
     6. (Die Sinking) A hardened steel roller having a design in
        relief, used for imprinting a reversed copy of the design
        in a softer metal, as copper.
        [1913 Webster]
  
     7. (Mining)
        (a) An excavation in rock, transverse to the workings,
            from which material for filling is obtained.
        (b) A passage underground through which ore is shot.
            [1913 Webster]
  
     8. A milling cutter. See Illust. under Milling.
        [1913 Webster]
  
     9. A pugilistic encounter. [Cant] --R. D. Blackmore.
        [1913 Webster]
  
     10. Short for Treadmill.
         [Webster 1913 Suppl.]
  
     11. The raised or ridged edge or surface made in milling
         anything, as a coin or screw.
         [Webster 1913 Suppl.]
  
     12. A building or complex of buildings containing a mill[1]
         or other machinery to grind grains into flour.
         [PJC]
  
     Edge mill, Flint mill, etc. See under Edge, Flint,
        etc.
  
     Mill bar (Iron Works), a rough bar rolled or drawn directly
        from a bloom or puddle bar for conversion into merchant
        iron in the mill.
  
     Mill cinder, slag from a puddling furnace.
  
     Mill head, the head of water employed to turn the wheel of
        a mill.
  
     Mill pick, a pick for dressing millstones.
  
     Mill pond, a pond that supplies the water for a mill.
  
     Mill race, the canal in which water is conveyed to a mill
        wheel, or the current of water which drives the wheel.
  
     Mill tail, the water which flows from a mill wheel after
        turning it, or the channel in which the water flows.
  
     Mill tooth, a grinder or molar tooth.
  
     Mill wheel, the water wheel that drives the machinery of a
        mill.
  
     Gin mill, a tavern; a bar; a saloon; especially, a cheap or
        seedy establishment that serves liquor by the drink.
  
     Roller mill, a mill in which flour or meal is made by
        crushing grain between rollers.
  
     Stamp mill (Mining), a mill in which ore is crushed by
        stamps.
  
     To go through the mill, to experience the suffering or
        discipline necessary to bring one to a certain degree of
        knowledge or skill, or to a certain mental state.
        [1913 Webster]

From The Collaborative International Dictionary of English v.0.48 :

  
  
     10. (Zool.) Any species of small ground snakes of the family
         Tortricidae.
         [1913 Webster]
  
     Ground roller (Zool.), any one of several species of
        Madagascar rollers belonging to Atelornis and allied
        genera. They are nocturnal birds, and feed on the ground.
        
  
     Roller bolt, the bar in a carriage to which the traces are
        attached; a whiffletree. [Eng.]
  
     Roller gin, a cotton gin inn which rolls are used for
        separating the seeds from the fiber.
  
     Roller mill. See under Mill.
  
     Roller skate, a skate which has small wheels in the place
        of the metallic runner; -- designed for use in skating
        upon a smooth, hard surface, other than ice.
        [1913 Webster]

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