secretary_of_defense
1. [ noun ] (politics) the person who holds the secretaryship of the Defense Department
Synonyms: Defense_Secretary
Examples:

"the first Defense Secretary was James V. Forrestal who was appointed by Truman"

Related terms: secretary
2. [ noun ] (military,work,government) the position of the head of the Department of Defense
Synonyms: Defense_Secretary
Examples:

"the position of Defense Secretary was created in 1947"

Related terms: secretaryship United_States_Cabinet
Similar spelling:   Secretary_of_Energy
  Secretary_of_State
  Secretary_of_the_Navy
  Secretary_of_Labor
  Secretary_of_Commerce
  Secretary_of_Education
  Secretary_General