DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   flue
       n 1: flat bladelike projection on the arm of an anchor [syn:
            fluke, flue]
       2: organ pipe whose tone is produced by air passing across the
          sharp edge of a fissure or lip [syn: flue pipe, flue,
          labial pipe]
       3: a conduit to carry off smoke