Wordnet 3.0
NOUN (3)
1. 
 the land inside an oxbow bend in a river; 
2. 
 a U-shaped curve in a stream; 
3. 
 a wooden framework bent in the shape of a U; 
 its upper ends are attached to the horizontal yoke and the loop goes around the neck of an ox; 
The Collaborative International Dictionary of English v.0.48:
Oxbow \Ox"bow`\, n.
   A frame of wood, bent into the shape of the letter U, and
   embracing an ox's neck as a kind of collar, the upper ends
   passing through the bar of the yoke; also, anything so
   shaped, as a bend in a river.
   [1913 Webster]
WordNet (r) 3.0 (2006):
oxbow
    n 1: the land inside an oxbow bend in a river
    2: a U-shaped curve in a stream
    3: a wooden framework bent in the shape of a U; its upper ends
       are attached to the horizontal yoke and the loop goes around
       the neck of an ox
U.S. Gazetteer Places (2000):
Oxbow, ND -- U.S. city in North Dakota
   Population (2000):    248
   Housing Units (2000): 84
   Land area (2000):     0.406874 sq. miles (1.053798 sq. km)
   Water area (2000):    0.000000 sq. miles (0.000000 sq. km)
   Total area (2000):    0.406874 sq. miles (1.053798 sq. km)
   FIPS code:            60480
   Located within:       North Dakota (ND), FIPS 38
   Location:             46.674309 N, 96.803634 W
   ZIP Codes (1990):
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Oxbow, ND
    Oxbow