The Collaborative International Dictionary of English v.0.48:

Kiln \Kiln\ (k[i^]ln or k[i^]l), n. [OE. kilne, kulne, AS. cyln,
   cylen; akin to Icel. kylna; prob. from the same source as
   coal. See Coal.]
   1. A large stove or oven; a furnace of brick or stone, or a
      heated chamber, for the purpose of hardening, burning, or
      drying anything; as, a kiln for baking or hardening
      earthen vessels; a kiln for drying grain, meal, lumber,
      etc.; a kiln for calcining limestone.
      [1913 Webster]

   2. A furnace for burning bricks; a brickkiln.
      [1913 Webster]

WordNet (r) 3.0 (2006):

kiln
    n 1: a furnace for firing or burning or drying such things as
         porcelain or bricks

Moby Thesaurus II by Grady Ward, 1.0:

48 Moby Thesaurus words for "kiln":
   Seger cone, acid kiln, air-dry, anhydrate, bake, blot, brickkiln,
   brush, burn, cement kiln, cure, dehumidify, dehydrate, desiccate,
   drain, dry, enamel kiln, evaporate, exsiccate, fire, furnace,
   insolate, limekiln, muffle kiln, mummify, oven, parch, pyrometer,
   pyrometric cone, reverberatory, reverberatory kiln, rub, scorch,
   sear, shrivel, smoke, soak up, sponge, stove, sun, sun-dry, swab,
   torrefy, towel, weazen, wipe, wither, wizen



U.S. Gazetteer Places (2000):

Kiln, MS -- U.S. Census Designated Place in Mississippi
   Population (2000):    2040
   Housing Units (2000): 987
   Land area (2000):     13.320736 sq. miles (34.500547 sq. km)
   Water area (2000):    0.134640 sq. miles (0.348717 sq. km)
   Total area (2000):    13.455376 sq. miles (34.849264 sq. km)
   FIPS code:            37600
   Located within:       Mississippi (MS), FIPS 28
   Location:             30.412874 N, 89.435417 W
   ZIP Codes (1990):
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Kiln, MS
    Kiln