[1] : The Collaborative International Dictionary of English v.0.48

hopper \hop"per\, n. see 1st hop.
   1. one who, or that which, hops.
      1913 webster

   2. a chute, box, or receptacle, usually funnel-shaped with an
      opening at the lower part, for delivering or feeding any
      material, as to a machine; as, the wooden box with its
      trough through which grain passes into a mill by joining
      or shaking, or a funnel through which fuel passes into a
      furnace, or coal, etc., into a car.
      1913 webster

   3. mus. see grasshopper, 2.
      1913 webster

   4. pl. a game. see hopscotch. --johnson.
      1913 webster

   5. zool.
      a see grasshopper, and frog hopper, grape hopper,
          leaf hopper, tree hopper, under frog, grape,
          leaf, and tree.
      b the larva of a cheese fly.
          1913 webster

   6. naut. a vessel for carrying waste, garbage, etc., out to
      sea, so constructed as to discharge its load by a
      mechanical contrivance; -- called also dumping scow.
      1913 webster

   bell and hopper metal., the apparatus at the top of a
      blast furnace, through which the charge is introduced,
      while the gases are retained.

   hopper boy, a rake in a mill, moving in a circle to spread
      meal for drying, and to draw it over an opening in the
      floor, through which it falls.

   hopper closet, a water-closet, without a movable pan, in
      which the receptacle is a funnel standing on a draintrap.
      

   hopper cock, a faucet or valve for flushing the hopper of a
      water-closet.
      1913 webster
see also:
hop grasshopper hopscotch frog hopper grape hopper leaf hopper 
tree hopper frog grape leaf tree 
dumping scow bell and hopper hopper boy hopper closet hopper cock 

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