noun
- The United States federal department charged with conservation and the development of natural resources; created in 1849.
- synonyms: Department of the Interior, Interior, DoI
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). interior department. Retrieved September 22, 2026, from http://smartdefine.org/interior_department/definitions/1287334 |
| Chicago | WordNet. 2010. "interior department" http://smartdefine.org/interior_department/definitions/1287334 (accessed September 22, 2026). |
| Harvard | WordNet 2010, interior department, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/interior_department/definitions/1287334>. |
| MLA | WordNet. "interior department" 23 October 2010. Web. 22 September 2026. <http://smartdefine.org/interior_department/definitions/1287334> |