interior

from The American Heritage® Dictionary of the English Language, 5th Edition.

• adjective Of, relating to, or located on the inside; inner.
• adjective Of or relating to one's mental or spiritual being.
• adjective Situated away from a coast or border; inland.
• noun The internal portion or area.
• noun One's mental or spiritual life.
• noun The inland part of a political or geographic entity.
• noun The internal affairs of a country or nation.
• noun A representation of the inside of a building or room, as in a photograph.

from The Century Dictionary.

• Being within; inside of anything that limits, incloses, or conceals; internal; further toward a center: opposed to exterior or superficial: as, the interior parts of a house or of the earth.
• Inland; remote from the limits, frontier, or shore: as, the interior parts of a country; an interior town.
• Of or pertaining to that which is within; inside: as, an interior view.
• Pertaining to the immediate contents of consciousness; relating to that which one can perceive within one's self; inward; inner; inmost; mental.
• In entomology, inner; lying next to the body or the median line.
• noun The internal part; the inside.
• noun In art: An inside part of a building, considered as a whole from the point of view of artistic design or general effect, convenience, etc.
• noun A picture of such an inclosed space, or of any subject considered as within such an inclosure, or under the conditions of lighting, etc., obtaining therein.
• noun That part of a country or state which is at a considerable distance from its frontiers.
• noun The internal or domestic affairs of a country as distinguished from its external or foreign affairs.

from the GNU version of the Collaborative International Dictionary of English.

• noun That which is within; the internal or inner part of a thing; the inside.
• noun The inland part of a country, state, or kingdom.
• noun 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.
• noun the cabinet officer who, in the United States, is at the head of the Department of the Interior.
• adjective Being within any limits, inclosure, or substance; inside; internal; inner; -- opposed to exterior, or superficial
• adjective Remote from the limits, frontier, or shore; inland.
• adjective (Geom.) an angle formed between two sides, within any rectilinear figure, as a polygon, or between two parallel lines by these lines and another intersecting them; -- called also internal angle.
• adjective (Astron.) those planets within the orbit of the earth.
• adjective a screw cut on an interior surface, as in a nut; a female screw.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• adjective having to do with the inner part of something
• adjective having to do with the inland parts of a country far from the coasts
• noun The inside of a building, container, cavern, or other enclosed structure.
• noun The inside regions of a country, distanced from the borders or coasts.
• noun mathematics, topology The set of all interior points of a set.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• adjective inside the country
• noun the inner or enclosed surface of something
• adjective located inward
• noun the United States federal department charged with conservation and the development of natural resources; created in 1849
• adjective situated within or suitable for inside a building
• adjective of or coming from the middle of a region or country
• noun the region that is inside of something
• adjective inside and toward a center