WordNet (r) 3.0 (2006):

Battle of the Little Bighorn
    n 1: a battle in Montana near the Little Bighorn River between
         United States cavalry under Custer and several groups of
         Native Americans (1876); Custer was pursuing Sioux led by
         Sitting Bull; Custer underestimated the size of the Sioux
         forces (which were supported by Cheyenne warriors) and was
         killed along with all his command [syn: Little Bighorn,
         Battle of Little Bighorn, Battle of the Little Bighorn,
         Custer's Last Stand]