1. the person who holds the secretaryship of the Department of Agriculture - the first Secretary of Agriculture was Norman J. Colman, who was appointed by Cleveland • Syn: Secretary of Agriculture • Hypernyms: secretary 2. the position of the head of the Department of Agriculture - the post of Secretary of Agriculture was established in 1889 • Syn: Secretary of Agriculture • Hypernyms: secretaryship • Member Holonyms: United States Cabinet, US Cabinet