The Collaborative International Dictionary of English v.0.48:

Lignite \Lig"nite\ (l[i^]g"n[imac]t), n. [L. lignum wood: cf. F.
   lignite.] (Min.)
   Mineral coal retaining the texture of the wood from which it
   was formed, and burning with an empyreumatic odor. It is of
   more recent origin than the anthracite and bituminous coal of
   the proper coal series. Called also brown coal, wood
   coal.
   [1913 Webster]

WordNet (r) 3.0 (2006):

lignite
    n 1: intermediate between peat and bituminous coal [syn:
         lignite, brown coal, wood coal]

U.S. Gazetteer Places (2000):

Lignite, ND -- U.S. city in North Dakota
   Population (2000):    174
   Housing Units (2000): 111
   Land area (2000):     0.139831 sq. miles (0.362161 sq. km)
   Water area (2000):    0.000000 sq. miles (0.000000 sq. km)
   Total area (2000):    0.139831 sq. miles (0.362161 sq. km)
   FIPS code:            46540
   Located within:       North Dakota (ND), FIPS 38
   Location:             48.876908 N, 102.562603 W
   ZIP Codes (1990):     58752
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Lignite, ND
    Lignite