DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   scanning
       n 1: the process of translating photographs into a digital form
            that can be recognized by a computer
       2: the act of systematically moving a finely focused beam of
          light or electrons over a surface in order to produce an
          image of it for analysis or transmission