Department of the Interior


noun

the department of the U.S. federal government charged with the conservation and development of the natural resources of the U.S. and its possessions. Abbreviation: DOI

Cultural definitions for department of the interior

Department of the Interior

A department of the federal executive branch responsible for the National Park Service, the Bureau of Indian Affairs, and a variety of programs designed to preserve natural resources in the United States and its territories and possessions in the Pacific Ocean.