noun
- 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. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). black hills. Retrieved September 22, 2026, from http://smartdefine.org/black_hills/definitions/1226318 |
| Chicago | WordNet. 2010. "black hills" http://smartdefine.org/black_hills/definitions/1226318 (accessed September 22, 2026). |
| Harvard | WordNet 2010, black hills, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/black_hills/definitions/1226318>. |
| MLA | WordNet. "black hills" 23 October 2010. Web. 22 September 2026. <http://smartdefine.org/black_hills/definitions/1226318> |