The Collaborative International Dictionary of English v.0.48:

Auburn \Au"burn\, a. [OE. auburne blonde, OF. alborne, auborne,
   fr. LL. alburnus whitish, fr. L. albus white. Cf. Alburn.]
   1. Flaxen-colored. [Obs.] --Florio.
      [1913 Webster]

   2. Reddish brown.
      [1913 Webster]

            His auburn locks on either shoulder flowed.
                                                  --Dryden.
      [1913 Webster]

WordNet (r) 3.0 (2006):

auburn
    adj 1: (of hair) colored a moderate reddish-brown; "auburn hair"

Moby Thesaurus II by Grady Ward, 1.0:

42 Moby Thesaurus words for "auburn":
   Titian, adust, bay, bay-colored, bayard, brazen, bronze,
   bronze-colored, bronzed, brownish-red, carroty, castaneous,
   chestnut, chestnut-brown, copper, copper-colored, coppery,
   cupreous, erythristic, ferruginous, foxy, henna, liver-brown,
   liver-colored, livid-brown, mahogany, red-crested, red-haired,
   red-polled, red-tufted, reddish-brown, roan, rubiginous, rufous,
   russet, russety, rust, rust-colored, rusty, sunburned, terra-cotta,
   xanthous



U.S. Gazetteer Places (2000):

Auburn, WY -- U.S. Census Designated Place in Wyoming
   Population (2000):    276
   Housing Units (2000): 94
   Land area (2000):     2.143354 sq. miles (5.551262 sq. km)
   Water area (2000):    0.000000 sq. miles (0.000000 sq. km)
   Total area (2000):    2.143354 sq. miles (5.551262 sq. km)
   FIPS code:            04160
   Located within:       Wyoming (WY), FIPS 56
   Location:             42.794401 N, 111.004929 W
   ZIP Codes (1990):     83111
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Auburn, WY
    Auburn


U.S. Gazetteer Places (2000):

Auburn, NE -- U.S. city in Nebraska
   Population (2000):    3350
   Housing Units (2000): 1642
   Land area (2000):     1.533818 sq. miles (3.972569 sq. km)
   Water area (2000):    0.000000 sq. miles (0.000000 sq. km)
   Total area (2000):    1.533818 sq. miles (3.972569 sq. km)
   FIPS code:            02655
   Located within:       Nebraska (NE), FIPS 31
   Location:             40.388278 N, 95.842246 W
   ZIP Codes (1990):     68305
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Auburn, NE
    Auburn


U.S. Gazetteer Places (2000):

Auburn, AL -- U.S. city in Alabama
   Population (2000):    42987
   Housing Units (2000): 20043
   Land area (2000):     39.129981 sq. miles (101.346181 sq. km)
   Water area (2000):    0.443620 sq. miles (1.148970 sq. km)
   Total area (2000):    39.573601 sq. miles (102.495151 sq. km)
   FIPS code:            03076
   Located within:       Alabama (AL), FIPS 01
   Location:             32.597684 N, 85.480823 W
   ZIP Codes (1990):     36830
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Auburn, AL
    Auburn


U.S. Gazetteer Places (2000):

Auburn, CA -- U.S. city in California
   Population (2000):    12462
   Housing Units (2000): 5457
   Land area (2000):     7.373078 sq. miles (19.096184 sq. km)
   Water area (2000):    0.028289 sq. miles (0.073269 sq. km)
   Total area (2000):    7.401367 sq. miles (19.169453 sq. km)
   FIPS code:            03204
   Located within:       California (CA), FIPS 06
   Location:             38.898671 N, 121.074399 W
   ZIP Codes (1990):     95603
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Auburn, CA
    Auburn


U.S. Gazetteer Places (2000):

Auburn, NY -- U.S. city in New York
   Population (2000):    28574
   Housing Units (2000): 12637
   Land area (2000):     8.391083 sq. miles (21.732805 sq. km)
   Water area (2000):    0.038162 sq. miles (0.098838 sq. km)
   Total area (2000):    8.429245 sq. miles (21.831643 sq. km)
   FIPS code:            03078
   Located within:       New York (NY), FIPS 36
   Location:             42.931660 N, 76.564770 W
   ZIP Codes (1990):     13021
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Auburn, NY
    Auburn


U.S. Gazetteer Places (2000):

Auburn, GA -- U.S. city in Georgia
   Population (2000):    6904
   Housing Units (2000): 2322
   Land area (2000):     5.338479 sq. miles (13.826596 sq. km)
   Water area (2000):    0.004071 sq. miles (0.010545 sq. km)
   Total area (2000):    5.342550 sq. miles (13.837141 sq. km)
   FIPS code:            04140
   Located within:       Georgia (GA), FIPS 13
   Location:             34.016692 N, 83.831869 W
   ZIP Codes (1990):     30203
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Auburn, GA
    Auburn


U.S. Gazetteer Places (2000):

Auburn, IL -- U.S. city in Illinois
   Population (2000):    4317
   Housing Units (2000): 1753
   Land area (2000):     3.155706 sq. miles (8.173240 sq. km)
   Water area (2000):    0.000000 sq. miles (0.000000 sq. km)
   Total area (2000):    3.155706 sq. miles (8.173240 sq. km)
   FIPS code:            02921
   Located within:       Illinois (IL), FIPS 17
   Location:             39.588969 N, 89.745962 W
   ZIP Codes (1990):     62615
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Auburn, IL
    Auburn


U.S. Gazetteer Places (2000):

Auburn, IN -- U.S. city in Indiana
   Population (2000):    12074
   Housing Units (2000): 5258
   Land area (2000):     6.647832 sq. miles (17.217806 sq. km)
   Water area (2000):    0.000000 sq. miles (0.000000 sq. km)
   Total area (2000):    6.647832 sq. miles (17.217806 sq. km)
   FIPS code:            02674
   Located within:       Indiana (IN), FIPS 18
   Location:             41.365505 N, 85.056355 W
   ZIP Codes (1990):     46706
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Auburn, IN
    Auburn


U.S. Gazetteer Places (2000):

Auburn, PA -- U.S. borough in Pennsylvania
   Population (2000):    839
   Housing Units (2000): 340
   Land area (2000):     1.660140 sq. miles (4.299742 sq. km)
   Water area (2000):    0.011065 sq. miles (0.028659 sq. km)
   Total area (2000):    1.671205 sq. miles (4.328401 sq. km)
   FIPS code:            03488
   Located within:       Pennsylvania (PA), FIPS 42
   Location:             40.595715 N, 76.092642 W
   ZIP Codes (1990):     17922
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Auburn, PA
    Auburn


U.S. Gazetteer Places (2000):

Auburn, IA -- U.S. city in Iowa
   Population (2000):    296
   Housing Units (2000): 142
   Land area (2000):     0.485316 sq. miles (1.256963 sq. km)
   Water area (2000):    0.000000 sq. miles (0.000000 sq. km)
   Total area (2000):    0.485316 sq. miles (1.256963 sq. km)
   FIPS code:            03610
   Located within:       Iowa (IA), FIPS 19
   Location:             42.250857 N, 94.877191 W
   ZIP Codes (1990):
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Auburn, IA
    Auburn


U.S. Gazetteer Places (2000):

Auburn, KS -- U.S. city in Kansas
   Population (2000):    1121
   Housing Units (2000): 400
   Land area (2000):     0.583708 sq. miles (1.511796 sq. km)
   Water area (2000):    0.000000 sq. miles (0.000000 sq. km)
   Total area (2000):    0.583708 sq. miles (1.511796 sq. km)
   FIPS code:            03250
   Located within:       Kansas (KS), FIPS 20
   Location:             38.906709 N, 95.816789 W
   ZIP Codes (1990):     66402
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Auburn, KS
    Auburn


U.S. Gazetteer Places (2000):

Auburn, KY -- U.S. city in Kentucky
   Population (2000):    1444
   Housing Units (2000): 653
   Land area (2000):     1.757054 sq. miles (4.550750 sq. km)
   Water area (2000):    0.000000 sq. miles (0.000000 sq. km)
   Total area (2000):    1.757054 sq. miles (4.550750 sq. km)
   FIPS code:            02638
   Located within:       Kentucky (KY), FIPS 21
   Location:             36.866523 N, 86.716910 W
   ZIP Codes (1990):     42206
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Auburn, KY
    Auburn


U.S. Gazetteer Places (2000):

Auburn, ME -- U.S. city in Maine
   Population (2000):    23203
   Housing Units (2000): 10608
   Land area (2000):     59.784641 sq. miles (154.841502 sq. km)
   Water area (2000):    6.012102 sq. miles (15.571273 sq. km)
   Total area (2000):    65.796743 sq. miles (170.412775 sq. km)
   FIPS code:            02060
   Located within:       Maine (ME), FIPS 23
   Location:             44.089173 N, 70.241437 W
   ZIP Codes (1990):     04210
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Auburn, ME
    Auburn


U.S. Gazetteer Places (2000):

Auburn, MI -- U.S. city in Michigan
   Population (2000):    2011
   Housing Units (2000): 867
   Land area (2000):     1.019977 sq. miles (2.641729 sq. km)
   Water area (2000):    0.000000 sq. miles (0.000000 sq. km)
   Total area (2000):    1.019977 sq. miles (2.641729 sq. km)
   FIPS code:            04080
   Located within:       Michigan (MI), FIPS 26
   Location:             43.602881 N, 84.073972 W
   ZIP Codes (1990):     48611
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Auburn, MI
    Auburn


U.S. Gazetteer Places (2000):

Auburn, WA -- U.S. city in Washington
   Population (2000):    40314
   Housing Units (2000): 16767
   Land area (2000):     21.263410 sq. miles (55.071976 sq. km)
   Water area (2000):    0.005811 sq. miles (0.015050 sq. km)
   Total area (2000):    21.269221 sq. miles (55.087026 sq. km)
   FIPS code:            03180
   Located within:       Washington (WA), FIPS 53
   Location:             47.302322 N, 122.214779 W
   ZIP Codes (1990):     98002
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Auburn, WA
    Auburn


U.S. Gazetteer Places (2000):

Auburn, WV -- U.S. town in West Virginia
   Population (2000):    103
   Housing Units (2000): 48
   Land area (2000):     0.334465 sq. miles (0.866260 sq. km)
   Water area (2000):    0.000000 sq. miles (0.000000 sq. km)
   Total area (2000):    0.334465 sq. miles (0.866260 sq. km)
   FIPS code:            03364
   Located within:       West Virginia (WV), FIPS 54
   Location:             39.095430 N, 80.856538 W
   ZIP Codes (1990):     26325
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Auburn, WV
    Auburn