The Collaborative International Dictionary of English v.0.48:

briarwood \briarwood\ n.
   wood from the hard woody root of the briar Erica arborea;
   used to make tobacco pipes.

   Syn: brierwood.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

briarwood
    n 1: wood from the hard woody root of the briar Erica arborea;
         used to make tobacco pipes [syn: briarwood, brierwood,
         brier-wood]

U.S. Gazetteer Places (2000):

Briarwood, ND -- U.S. city in North Dakota
   Population (2000):    78
   Housing Units (2000): 26
   Land area (2000):     0.220479 sq. miles (0.571037 sq. km)
   Water area (2000):    0.000000 sq. miles (0.000000 sq. km)
   Total area (2000):    0.220479 sq. miles (0.571037 sq. km)
   FIPS code:            09320
   Located within:       North Dakota (ND), FIPS 38
   Location:             46.786481 N, 96.794404 W
   ZIP Codes (1990):     58104
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Briarwood, ND
    Briarwood


U.S. Gazetteer Places (2000):

Briarwood, KY -- U.S. city in Kentucky
   Population (2000):    554
   Housing Units (2000): 275
   Land area (2000):     0.110728 sq. miles (0.286783 sq. km)
   Water area (2000):    0.000000 sq. miles (0.000000 sq. km)
   Total area (2000):    0.110728 sq. miles (0.286783 sq. km)
   FIPS code:            09532
   Located within:       Kentucky (KY), FIPS 21
   Location:             38.278337 N, 85.591548 W
   ZIP Codes (1990):
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Briarwood, KY
    Briarwood