பொருள் : The person who holds the secretaryship of the Department of Transportation.
எடுத்துக்காட்டு :
Johnson appointed Alan S. Boyd as the first Transportation Secretary.
ஒத்த சொற்கள் : secretary of transportation
பொருள் : The position of the head of the Department of Transportation.
எடுத்துக்காட்டு :
The post of Transportation Secretary was created in 1966.
ஒத்த சொற்கள் : secretary of transportation