The Collaborative International Dictionary of English v.0.48:

Freight \Freight\ (fr[=a]t), n. [F. fret, OHG. fr[=e]ht merit,
   reward. See Fraught, n.]
   1. That with which anything is fraught or laden for
      transportation; lading; cargo, especially of a ship, or a
      car on a railroad, etc.; as, a freight of cotton; a full
      freight.
      [1913 Webster]

   2. (Law)
      (a) The sum paid by a party hiring a ship or part of a
          ship for the use of what is thus hired.
      (b) The price paid a common carrier for the carriage of
          goods. --Wharton.
          [1913 Webster]

   3. Freight transportation, or freight line.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Freight \Freight\ (fr[=a]t), a.
   Employed in the transportation of freight; having to do with
   freight; as, a freight car.
   [1913 Webster]

   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.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Freight \Freight\, v. t. [imp. & p. p. Freighted; p. pr. & vb.
   n. Freighting.] [Cf. F. freter.]
   To load with goods, as a ship, or vehicle of any kind, for
   transporting them from one place to another; to furnish with
   freight; as, to freight a ship; to freight a car.
   [1913 Webster]

WordNet (r) 3.0 (2006):

freight
    n 1: goods carried by a large vehicle [syn: cargo, lading,
         freight, load, loading, payload, shipment,
         consignment]
    2: transporting goods commercially at rates cheaper than express
       rates [syn: freight, freightage]
    3: the charge for transporting something by common carrier; "we
       pay the freight"; "the freight rate is usually cheaper" [syn:
       freight, freightage, freight rate]
    v 1: transport commercially as cargo
    2: load with goods for transportation