DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   flank
       n 1: the side of military or naval formation; "they attacked the
            enemy's right flank" [syn: flank, wing]
       2: a subfigure consisting of a side of something
       3: a cut from the fleshy part of an animal's side between the
          ribs and the leg
       4: the side between ribs and hipbone
       v 1: be located at the sides of something or somebody