Source : WordNet®

symbol
     n 1: an arbitrary sign (written or printed) that has acquired a
          conventional significance
     2: something visible that by association or convention
        represents something else that is invisible; "the eagle is
        a symbol of the United States" [syn: {symbolization}, {symbolisation},
         {symbolic representation}]
     [also: {symbolling}, {symbolled}]

symbolling
     See {symbol}