Source : Webster's Revised Unabridged Dictionary (1913)

Bigot \Big"ot\, a.
   Bigoted. [Obs.]

         In a country more bigot than ours.       --Dryden.

Bigot \Big"ot\, n. [F. bigot a bigot or hypocrite, a name once
   given to the Normans in France. Of unknown origin; possibly
   akin to Sp. bigote a whisker; hombre de bigote a man of
   spirit and vigor; cf. It. s-bigottire to terrify, to appall.
   Wedgwood and others maintain that bigot is from the same
   source as Beguine, Beghard.]
   1. A hypocrite; esp., a superstitious hypocrite. [Obs.]

   2. A person who regards his own faith and views in matters of
      religion as unquestionably right, and any belief or
      opinion opposed to or differing from them as unreasonable
      or wicked. In an extended sense, a person who is
      intolerant of opinions which conflict with his own, as in
      politics or morals; one obstinately and blindly devoted to
      his own church, party, belief, or opinion.

            To doubt, where bigots had been content to wonder
            and believe.                          --Macaulay.

Source : WordNet®

bigot
     n : a prejudiced person who is intolerant of any opinions
         differing from his own

Source : Free On-Line Dictionary of Computing

bigot
     
        A person who is religiously attached to a particular computer,
        language, operating system, editor, or other tool (see
        {religious issues}).  Usually found with a specifier; thus,
        "Cray bigot", "ITS bigot", "APL bigot", "VMS bigot", "Berkeley
        bigot".  Real bigots can be distinguished from mere partisans
        or zealots by the fact that they refuse to learn alternatives
        even when the march of time and/or technology is threatening
        to obsolete the favoured tool.  It is truly said "You can tell
        a bigot, but you can't tell him much."  Compare {weenie}.
     
        [{Jargon File}]