noun
the federal department responsible for safeguarding national security of the United States; created in 1947
• Syn: ↑Department of Defense, ↑Defense Department, ↑Defense, ↑DoD
• Hypernyms: ↑executive department
• Part Meronyms:
↑Defense Advanced Research Projects Agency, ↑DARPA, ↑Department of Defense Laboratory System, ↑LABLINK, ↑United States Navy, ↑US Navy, ↑USN, ↑Navy, ↑United States Air Force, ↑U. S. Air Force, ↑US Air Force, ↑Air Force, ↑USAF, ↑Defense Intelligence Agency, ↑DIA, ↑Defense Logistics Agency, ↑Defense Technical Information Center, ↑DTIC, ↑National Reconnaissance Office, ↑NRO, ↑National Security Agency, ↑NSA, ↑United States Army, ↑US Army, ↑U. S. Army, ↑Army, ↑USA, ↑Ballistic Missile Defense Organization, ↑BMDO, ↑Defense Information Systems Agency, ↑DISA, ↑National Geospatial-Intelligence Agency, ↑NGA, ↑Casualty Care Research Center, ↑CCRC
Useful english dictionary. 2012.