The Collaborative International Dictionary of English v.0.48:

Choctaws \Choc"taws\, n. pl.; sing. Choctaw. (Ethnol.)
   A tribe of North American Indians (Southern Appalachian), in
   early times noted for their pursuit of agriculture, and for
   living at peace with the white settlers. They are now one of
   the civilized tribes of the Indian Territory.
   [1913 Webster]

WordNet (r) 3.0 (2006):

Choctaw
    n 1: a member of the Muskhogean people formerly living in
         Alabama
    2: the Muskhogean language of the Choctaw [syn: Choctaw,
       Chahta]

U.S. Gazetteer Counties (2000):

Choctaw -- U.S. County in Alabama
   Population (2000):    15922
   Housing Units (2000): 7839
   Land area (2000):     913.513922 sq. miles (2365.990097 sq. km)
   Water area (2000):    7.335575 sq. miles (18.999051 sq. km)
   Total area (2000):    920.849497 sq. miles (2384.989148 sq. km)
   Located within:       Alabama (AL), FIPS 01
   Location:             32.027681 N, 88.257855 W
   Headwords:
    Choctaw
    Choctaw, AL
    Choctaw County
    Choctaw County, AL


U.S. Gazetteer Counties (2000):

Choctaw -- U.S. County in Mississippi
   Population (2000):    9758
   Housing Units (2000): 4249
   Land area (2000):     419.100339 sq. miles (1085.464850 sq. km)
   Water area (2000):    0.711569 sq. miles (1.842954 sq. km)
   Total area (2000):    419.811908 sq. miles (1087.307804 sq. km)
   Located within:       Mississippi (MS), FIPS 28
   Location:             33.343519 N, 89.257179 W
   Headwords:
    Choctaw
    Choctaw, MS
    Choctaw County
    Choctaw County, MS


U.S. Gazetteer Counties (2000):

Choctaw -- U.S. County in Oklahoma
   Population (2000):    15342
   Housing Units (2000): 7539
   Land area (2000):     773.933177 sq. miles (2004.477642 sq. km)
   Water area (2000):    26.750107 sq. miles (69.282455 sq. km)
   Total area (2000):    800.683284 sq. miles (2073.760097 sq. km)
   Located within:       Oklahoma (OK), FIPS 40
   Location:             34.019987 N, 95.512802 W
   Headwords:
    Choctaw
    Choctaw, OK
    Choctaw County
    Choctaw County, OK


U.S. Gazetteer Places (2000):

Choctaw, OK -- U.S. city in Oklahoma
   Population (2000):    9377
   Housing Units (2000): 3617
   Land area (2000):     27.071509 sq. miles (70.114884 sq. km)
   Water area (2000):    0.020135 sq. miles (0.052149 sq. km)
   Total area (2000):    27.091644 sq. miles (70.167033 sq. km)
   FIPS code:            14200
   Located within:       Oklahoma (OK), FIPS 40
   Location:             35.482383 N, 97.267330 W
   ZIP Codes (1990):     73020
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Choctaw, OK
    Choctaw