1. 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 • Syn: Secretary of Labor • Hypernyms: secretary 2. the position of the head of the Department of Labor - the post of Labor Secretary was created in 1913 • Syn: Secretary of Labor • Hypernyms: secretaryship • Member Holonyms: United States Cabinet, US Cabinet