பொருள் : The person who holds the secretaryship of the Defense Department.
எடுத்துக்காட்டு :
The first Defense Secretary was James V. Forrestal who was appointed by Truman.
ஒத்த சொற்கள் : secretary of defense
பொருள் : The position of the head of the Department of Defense.
எடுத்துக்காட்டு :
The position of Defense Secretary was created in 1947.
ஒத்த சொற்கள் : secretary of defense