DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   civilian
       adj 1: associated with civil life or performed by persons who
              are not active members of the military; "civilian
              clothing"; "civilian life" [ant: military]
       n 1: a nonmilitary citizen [ant: man, military man,
            military personnel, serviceman]