What is the meaning of interior?

noun

• The region that is inside of something.
  • synonyms: inside
• The inner or enclosed surface of something.
  • synonyms: inside
• The United States federal department charged with conservation and the development of natural resources; created in 1849.
  • synonyms: Department of the Interior, Interior Department, DoI

adjective

• Situated within or suitable for inside a building.
  • usage: "an interior scene"; "interior decoration"; "an interior bathroom without windows"
• Inside the country.
  • usage: "the British Home Office has broader responsibilities than the United States Department of the Interior"; "the nation's internal politics"
  • synonyms: home, internal, national
• Located inward."Beethoven's manuscript looks like a bloody record of a tremendous inner battle- Leonard Bernstein; "she thinks she has no soul, no interior life, but the truth is that she has no access to it- David Denby; "an internal sense of rightousness- A. R. Gurney, Jr.
  • synonyms: inner, internal
• Inside and toward a center.
  • usage: "interior regions of the earth"
• Of or coming from the middle of a region or country.
  • usage: "upcountry districts"
  • synonyms: midland, upcountry