noun
- The federal department responsible for safeguarding national security of the United States; created in 1947.
- synonyms: Defense Department, United States Department of Defense, Defense, DoD
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). department of defense. Retrieved September 23, 2026, from http://smartdefine.org/department_of_defense/definitions/1222823 |
| Chicago | WordNet. 2010. "department of defense" http://smartdefine.org/department_of_defense/definitions/1222823 (accessed September 23, 2026). |
| Harvard | WordNet 2010, department of defense, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/department_of_defense/definitions/1222823>. |
| MLA | WordNet. "department of defense" 23 October 2010. Web. 23 September 2026. <http://smartdefine.org/department_of_defense/definitions/1222823> |