Noun transportation secretary has 2 senses
- Secretary of Transportation, Transportation Secretary - the person who holds the secretaryship of the Department of Transportation; "Johnson appointed Alan S. Boyd as the first Transportation Secretary"
--1 is a kind of secretary
- Secretary of Transportation, Transportation Secretary - the position of the head of the Department of Transportation; "the post of Transportation Secretary was created in 1966"
--2 is a kind of secretaryship
--2 is a member of United States Cabinet, US Cabinet
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