The Collaborative International Dictionary of English v.0.48:

Coolie \Coo"lie\, n.
   Same as Cooly.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Cooly \Coo"ly\, Coolie \Coo"lie\, n.; pl. Coolies. [Hind.
   k?l[imac] a laborer, porter: cf. Turk. k?l, ky?leh, slave.]
   An East Indian porter or carrier; a laborer transported from
   the East Indies, China, or Japan, for service in some other
   country.
   [1913 Webster]

WordNet (r) 3.0 (2006):

coolie
    n 1: (ethnic slur) an offensive name for an unskilled Asian
         laborer [syn: coolie, cooly]

Moby Thesaurus II by Grady Ward, 1.0:

36 Moby Thesaurus words for "coolie":
   Aquarius, Ganymede, Hebe, bearer, bheesty, busboy, caddie,
   cargo handler, carrier, carrier pigeon, carter, common carrier,
   conveyer, 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