noun
an agency in the Department of Defense that is responsible for making ballistic missile defense a reality
• Hypernyms: ↑agency, ↑federal agency, ↑government agency, ↑bureau, ↑office, ↑authority
• Part Holonyms: ↑Department of Defense, ↑Defense Department, ↑United States Department of Defense, ↑Defense, ↑DoD
Useful english dictionary. 2012.