Source : Webster's Revised Unabridged Dictionary (1913)

Freight \Freight\, a.
   Employed in the transportation of freight; having to do with
   freight; as, a freight car.

   {Freight agent}, a person employed by a transportation
      company to receive, forward, or deliver goods.

   {Freight car}. See under {Car}.

   {Freight train}, a railroad train made up of freight cars; --
      called in England goods train.

Source : WordNet®

freight train
     n : a railroad train consisting of freight cars [syn: {rattler}]