- Secretary of Labor, Labor Secretary - the person who holds the secretaryship of the Department of Labor; "the first Labor Secretary was William B. Wilson who was appointed by President Wilson"
--1 is a kind of secretary
- Secretary of Labor, Labor Secretary - the position of the head of the Department of Labor; "the post of Labor Secretary was created in 1913"
--2 is a kind of secretaryship
--2 is a member of United States Cabinet, US Cabinet