DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   shakeup
       n 1: the imposition of a new organization; organizing
            differently (often involving extensive and drastic
            changes); "a committee was appointed to oversee the
            reorganization of the curriculum"; "top officials were
            forced out in the cabinet shakeup" [syn: reorganization,
            reorganisation, shake-up, shakeup]