from
The Collaborative International Dictionary of English v.0.48
Interior \In*te"ri*or\, n.
1. That which is within; the internal or inner part of a
thing; the inside.
[1913 Webster]
2. The inland part of a country, state, or kingdom.
[1913 Webster]
{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.
[1913 Webster]