DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   icon
       n 1: (computer science) a graphic symbol (usually a simple
            picture) that denotes a program or a command or a data file
            or a concept in a graphical user interface
       2: a visual representation (of an object or scene or person or
          abstraction) produced on a surface; "they showed us the
          pictures of their wedding"; "a movie is a series of images
          projected so rapidly that the eye integrates them" [syn:
          picture, image, icon, ikon]
       3: a conventional religious painting in oil on a small wooden
          panel; venerated in the Eastern Church [syn: icon, ikon]