D defs.my
Entry 4 senses Webster, 1913

Exposition

/ĕkˌ-spəz-ĭsh'-ən/ · Ex·po·si·tion · IPA /ɛkspəˈzɪʃən/
01 n. The act of exposing or laying open; a setting out or displaying to public view.
  1. 1.
    The act of exposing or laying open; a setting out or displaying to public view.
  2. 2.
    The act of expounding or of laying open the sense or meaning of an author, or a passage; explanation; interpretation; the sense put upon a passage; a law, or the like, by an interpreter; hence, a work containing explanations or interpretations; a commentary.
    “You know the law; your exposition Hath been most sound.” Shak.
  3. 3.
    Situation or position with reference to direction of view or accessibility to influence of sun, wind, etc.; exposure; as, an easterly exposition; an exposition to the sun.[Obs.]
  4. 4.
    A public exhibition or show, as of industrial and artistic productions; as, the Paris Exposition of 1878.[A Gallicism]