The Collaborative International Dictionary of English v.0.48:

Truck \Truck\, v. t. [imp. & p. p. Trucked; p. pr. & vb. n.
   trucking.] [OE. trukken,F. troquer; akin to Sp. & Pg.
   trocar; of uncertain origin.]
   To exchange; to give in exchange; to barter; as, to truck
   knives for gold dust.
   [1913 Webster]

         We will begin by supposing the international trade to
         be in form, what it always is in reality, an actual
         trucking of one commodity against another. --J. S.
                                                  Mill.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Trucking \Truck"ing\, n.
   The business of conveying goods on trucks.
   [1913 Webster]

WordNet (r) 3.0 (2006):

trucking
    n 1: the activity of transporting goods by truck [syn:
         hauling, trucking, truckage]