[1] : 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
see also:
ship skipper 

[2] : WordNet (r) 2.0

shipper
     n 1: someone who ships goods
     2: a company in the business of shipping freight

[3] : Moby Thesaurus II by Grady Ward, 1.0

37 moby thesaurus words for "shipper":
   aquarius, ganymede, hebe, bearer, bheesty, busboy, caddie,
   cargo handler, carrier, carrier pigeon, carter, common carrier,
   conveyer, coolie, cupbearer, drayman, express, expressman,
   freighter, gun bearer, hauler, homing pigeon, letter carrier,
   litter-bearer, porter, redcap, shield-bearer, skycap, stevedore,
   stretcher-bearer, the water bearer, transporter, truck driver,
   trucker, wagoner, water boy, water carrier

[4] : Bouvier's Law Dictionary, Revised 6th Ed (1856)

shipper. one who ships or puts goods on board of a vessel, to be carried to 
another place during her voyage. in general, the shipper is bound to pay for 
the hire of the vessel, or the freight of the goods. 1 bouv. inst. n. 1030. 

Shipper >> S Words
Shipper, definition of term: Shipper
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