Cra·zy Horse 
(krāzē hôrs′) Originally Tashunca-Uitco. 1849?-1877.
(krāzē hôrs′) Originally Tashunca-Uitco. 1849?-1877. Lakota leader who militarily resisted the encroachment of whites in the Black Hills and joined Sitting Bull in the defeat of Gen. George A. Custer at Little Bighorn (1876).