transship

from WordNet (r) 3.0 (2006)

transship
    v 1: transfer for further transportation from one ship or
         conveyance to another

from The Collaborative International Dictionary of English v.0.48

Transship \Trans*ship"\, v. t. [Pref. trans- + ship.]
   To transfer from one ship or conveyance to another. [Written
   also {tranship}.]
   [1913 Webster]