[1] : The Collaborative International Dictionary of English v.0.48

navvy \nav"vy\, n.; pl. navies. abbreviated fr. navigator.
   originally, a laborer on canals for internal navigation;
   hence, a laborer on other public works, as in building
   railroads, embankments, etc. eng.
   1913 webster
see also:
navies 

[2] : WordNet (r) 2.0

navvy
     n : a laborer who is obliged to do menial work syn: drudge, peon,
          galley slave
see also:
drudge peon galley slave 

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

51 moby thesaurus words for "navvy":
   blue-collar worker, breadwinner, casual, casual laborer,
   common laborer, day laborer, digger, dredge, dredger, driller,
   employee, excavator, factory worker, flunky, free lance,
   free-lancer, full-time worker, groundhog, hand, industrial worker,
   jobber, jobholder, laborer, laboring man, menial, migrant, miner,
   moiler, office temporary, proletarian, roustabout, salaried worker,
   sandhog, sapper, self-employed person, servant, steam shovel,
   stiff, temporary, toiler, tunneler, wage earner, wage slave,
   wageworker, worker, workgirl, workhand, working girl, workingman,
   workingwoman, workman

Navvy >> N Words
Navvy, definition of term: Navvy
navvy_pag1.html