INTERIOR (2)

In‐te″ri‐or, n. 1. 1. That which is within; the internal or inner part of a thing; the inside.
2. 2. The inland part of a country, state, or kingdom.
Department of the Interior, that department of the government of the United States which has charge of pensions, patents, public lands and surveys, the Indians, education, etc.; that department of the government of a country which is specially charged with the internal affairs of that country; the home department. — Secretary of the Interior, the cabinet officer who, in the United States, is at the head of the Department of the Interior.