DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   Yank
       n 1: an American who lives in the North (especially during the
            American Civil War) [syn: Yankee, Yank, Northerner]
       2: an American (especially to non-Americans) [syn: Yankee,
          Yank, Yankee-Doodle]
       v 1: pull, or move with a sudden movement; "He turned the handle
            and jerked the door open" [syn: yank, jerk]