DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   norm
       n 1: a standard or model or pattern regarded as typical; "the
            current middle-class norm of two children per family"
       2: a statistic describing the location of a distribution; "it
          set the norm for American homes" [syn: average, norm]