Secretary of Defense(redirected from U.S. Secretary of Defense)
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Related to U.S. Secretary of Defense: Secretary of State, Under Secretary of Defense
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|Noun||1.||Secretary of Defense - the person who holds the secretaryship of the Defense Department; "the first Defense Secretary was James V. Forrestal who was appointed by Truman"|
secretary - a person who is head of an administrative department of government
|2.||Secretary of Defense - the position of the head of the Department of Defense; "the position of Defense Secretary was created in 1947"|
secretaryship - the position of secretary