The Collaborative International Dictionary of English v.0.48:

Stevedore \Ste"ve*dore`\, n. [Sp. estivador a packer, a stower,
   fr. estivar to pack, to stow, L. stipare to press, compress,
   probably akin to E. stiff. See Stiff, Stive to stuff.]
   One whose occupation is to load and unload vessels in port;
   one who stows a cargo in a hold.
   [1913 Webster]

WordNet (r) 3.0 (2006):

stevedore
    n 1: a laborer who loads and unloads vessels in a port [syn:
         stevedore, loader, longshoreman, docker,
         dockhand, dock worker, dockworker, dock-walloper,
         lumper]

Moby Thesaurus II by Grady Ward, 1.0:

42 Moby Thesaurus words for "stevedore":
   Aquarius, Ganymede, Hebe, bearer, bheesty, busboy, caddie,
   cargo handler, carrier, carrier pigeon, carter, common carrier,
   conveyer, coolie, cupbearer, docker, dockhand, drayman, express,
   expressman, freighter, gun bearer, hauler, homing pigeon,
   letter carrier, litter-bearer, loader, longshoreman, porter,
   redcap, roustabout, shield-bearer, skycap, stretcher-bearer,
   the Water Bearer, transporter, truck driver, trucker, wagoner,
   water boy, water carrier, wharf hand



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

STEVEDORE. A person employed in loading and unloading vessels. Dunl. Adm.
Pr. 98. Vide Arrameurs; Sac