DuckCorp Dico

Found one definition

1.                 From The Collaborative International Dictionary of English v.0.48:
                   
   
   
                   
                     
   Shipper \Ship"per\, n. [See Ship, n., and cf. Skipper.]
      One who sends goods from one place to another not in the same
      city or town, esp. one who sends goods by water.
      [1913 Webster]