Definitions for black hills
Random House Webster's College Dictionary
a group of mountains in W South Dakota and NE Wyoming. Highest peak, Harney Peak, 7242 ft. (2205 m).
Category: Geography (places)
mountains in southwestern South Dakota and northeastern Wyoming; sacred to the Sioux (whites settling in the Black Hills led to the Battle of Little Bighorn); site of Mount Rushmore
mountains in western South Dakota and northeastern Wyoming