1. The position of the head of the Department of the Interior
   "the position of Interior Secretary was created in 1849";
   - Secretary of the Interior
    
2. The person who holds the secretaryship of the Interior Department
   "President Taylor appointed Thomas Ewing as the first Interior Secretary";
   - Secretary of the Interior

Type of: secretary, secretaryship

Part of: United States Cabinet, US Cabinet

Encyclopedia: Interior Secretary