Source : Webster's Revised Unabridged Dictionary (1913)

Idol \I"dol\, n. [OE. idole, F. idole, L. idolum, fr. Gr. ?, fr.
   ? that which is seen, the form, shape, figure, fr. ? to see.
   See {Wit}, and cf. {Eidolon}.]
   1. An image or representation of anything. [Obs.]

            Do her adore with sacred reverence, As th' idol of
            her maker's great magnificence.       --Spenser.

   2. An image of a divinity; a representation or symbol of a
      deity or any other being or thing, made or used as an
      object of worship; a similitude of a false god.

            That they should not worship devils, and idols of
            gold.                                 --Rev. ix. 20.

   3. That on which the affections are strongly (often
      excessively) set; an object of passionate devotion; a
      person or thing greatly loved or adored.

            The soldier's god and people's idol.  --Denham.

   4. A false notion or conception; a fallacy. --Bacon.

            The idols of preconceived opinion.    --Coleridge.

Source : WordNet®

idol
     n 1: a material effigy that is worshipped as a god; "thou shalt
          not make unto thee any graven image"; "money was his
          god" [syn: {graven image}, {god}]
     2: someone who is adored blindly and excessively [syn: {matinee
        idol}]
     3: an ideal instance; a perfect embodiment of a concept [syn: {paragon},
         {perfection}, {beau ideal}]

Source : Free On-Line Dictionary of Computing

IDOL
     
        Icon-Derived Object Language.  An {object-oriented}
        {preprocessor} for {Icon}.
     
        {(ftp://src.doc.ic.ac.uk/pub/languages/icon/idol.tar.Z)}.
     
        ["Programming in Idol: An Object Primer", C.L. Jeffery, U
        Arizona CS TR #90-10].