1. the person who holds the secretaryship of the Department of Commerce - the first Commerce Secretary was William C. Redfield who was appointed by Wilson • Syn: Commerce Secretary • Hypernyms: secretary 2. the position of the head of the Department of Commerce - the position of Commerce Secretary was created in 1913 • Syn: Commerce Secretary • Hypernyms: secretaryship • Member Holonyms: United States Cabinet, US Cabinet