DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   gearing
       n 1: wheelwork consisting of a connected set of rotating gears
            by which force is transmitted or motion or torque is
            changed; "the fool got his tie caught in the geartrain"
            [syn: gearing, gear, geartrain, power train,
            train]