Definition of "exterior"

exterior

/ɪkˈstɪəɹɪə/

adjective
not comparable
1. Relating to the outside parts or surface of something.
  Quotations
  Sith nor the exterior nor the inward man / Resemble that it was.
  c. 1599–1602 (date written), William Shakespeare, “The Tragedie of Hamlet, Prince of Denmarke”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, [Act II, scene ii]
2. Being from outside a country; foreign.
3. Outdoor.
noun
plural exteriors
1. The outside part, parts or surface of something.
  Quotations
  Before dissecting a shark to see how it manages to function so effectively, let us first examine its exterior.
  1983, Richard Ellis, The Book of Sharks, Knopf, page 31
  [I]n the 575 days since [Oscar] Pistorius shot dead his girlfriend Reeva Steenkamp, there has been an unseemly scramble to construct revisionist histories, to identify evidence beneath that placid exterior of a pugnacious, hair-trigger personality.
  2014 October 21, Oliver Brown, “Oscar Pistorius jailed for five years – sport afforded no protection against his tragic fallibilities: Bladerunner's punishment for killing Reeva Steenkamp is but a frippery when set against the burden that her bereft parents, June and Barry, must carry ”, in The Daily Telegraph (Sport)‎
2. Foreign lands.