Source : Webster's Revised Unabridged Dictionary (1913)

Gin \Gin\, prep. [AS. ge['a]n. See {Again}.]
   Against; near by; towards; as, gin night. [Scot.] --A. Ross
   (1778).

Gin \Gin\, conj. [See {Gin}, prep.]
   If. [Scotch] --Jamieson.

Gin \Gin\, v. i. [imp. & p. p. {Gan}, {Gon} (?), or {Gun} (?);
   p. pr. & vb. n. {Ginning}.] [OE. ginnen, AS. ginnan (in
   comp.), prob. orig., to open, cut open, cf. OHG. inginnan to
   begin, open, cut open, and prob. akin to AS. g[=i]nan to
   yawn, and E. yawn. ? See {Yawn}, v. i., and cf. {Begin}.]
   To begin; -- often followed by an infinitive without to; as,
   gan tell. See {Gan}. [Obs. or Archaic] ``He gan to pray.''
   --Chaucer.

Gin \Gin\, v. t. [imp. & p. p. {Ginned}; p. pr. & vb. n.
   {Ginning}.]
   1. To catch in a trap. [Obs.] --Beau. & Fl.

   2. To clear of seeds by a machine; as, to gin cotton.

Gin \Gin\, n. [Contr. from Geneva. See 2d {Geneva}.]
   A strong alcoholic liquor, distilled from rye and barley, and
   flavored with juniper berries; -- also called {Hollands} and
   {Holland gin}, because originally, and still very
   extensively, manufactured in Holland. Common gin is usually
   flavored with turpentine.

Gin \Gin\, n. [A contraction of engine.]
   1. Contrivance; artifice; a trap; a snare. --Chaucer.
      Spenser.

   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.

   3. A machine for separating the seeds from cotton; a cotton
      gin.

   Note: The name is also given to an instrument of torture
         worked with screws, and to a pump moved by rotary
         sails.

   {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.

Source : WordNet®

gin
     n 1: strong liquor flavored with juniper berries
     2: a trap for birds or small mammals; often has a noose [syn: {snare},
         {noose}]
     3: a machine that separates the seeds from raw cotton fibers
        [syn: {cotton gin}]
     4: a form of rummy in which a player can go out if the cards
        remaining in their hand total less than 10 points [syn: {gin
        rummy}, {knock rummy}]
     [also: {ginning}, {ginned}, {gan}]

gin
     v 1: separate the seeds from (cotton) with a cotton gin
     2: trap with a snare; "gin game"
     [also: {ginning}, {ginned}, {gan}]

Source : Free On-Line Dictionary of Computing

GIN
     
        A special-purpose {macro assembler} used to build the {GEORGE
        3} {operating system} for {ICL1900} series computers.
     
        (1994-11-02)