The Collaborative International Dictionary of English v.0.48:

Gin \Gin\, n. [A contraction of engine.]
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   1. Contrivance; artifice; a trap; a snare. --Chaucer.
      Spenser.
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   2.
      (a) A machine for raising or moving heavy weights,
          consisting of a tripod formed of poles united at the
          top, with a windlass, pulleys, ropes, etc.
      (b) (Mining) A hoisting drum, usually vertical; a whim.
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   3. A machine for separating the seeds from cotton; a cotton
      gin.
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   Note: The name is also given to an instrument of torture
         worked with screws, and to a pump moved by rotary
         sails.
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   Gin block, a simple form of tackle block, having one wheel,
      over which a rope runs; -- called also whip gin,
      rubbish pulley, and monkey wheel.

   Gin power, a form of horse power for driving a cotton gin.


   Gin race, or Gin ring, the path of the horse when putting
      a gin in motion. --Halliwell.

   Gin saw, a saw used in a cotton gin for drawing the fibers
      through the grid, leaving the seed in the hopper.

   Gin wheel.
      (a) In a cotton gin, a wheel for drawing the fiber through
          the grid; a brush wheel to clean away the lint.
      (b) (Mining) the drum of a whim.
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The Collaborative International Dictionary of English v.0.48:

Rubbish \Rub"bish\, n. [OE. robows, robeux, rubble, originally
   an Old French plural from an assumed dim. of robe, probably
   in the sense of trash; cf. It. robaccia trash, roba stuff,
   goods, wares, robe. Thus, etymologically rubbish is the pl.
   of rubble. See Robe, and cf. Rubble.]
   Waste or rejected matter; anything worthless; valueless
   stuff; trash; especially, fragments of building materials or
   fallen buildings; ruins; d['e]bris.
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         What rubbish and what offal!             --Shak.
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         he saw the town's one half in rubbish lie. --Dryden.
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   Rubbish pulley. See Gin block, under Gin.
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