meeting vs symposium

meeting

noun
  • A gathering of persons for a purpose; an assembly. 

  • A place or instance of junction or intersection; a confluence. 

  • The people at such a gathering. 

  • The act of persons or things that meet. 

  • An administrative unit in the Religious Society of Friends (Quakers). 

  • An encounter between people, even accidental. 

symposium

noun
  • A conference or other meeting for discussion of a topic, especially one in which the participants make presentations. 

  • A drinking party in Ancient Greece, especially one with intellectual discussion. 

  • A collection of essays, articles or papers on a particular subject by a number of contributors. 

How often have the words meeting and symposium occurred in a corpus of books? (source: Google Ngram Viewer )