lie-in vs meeting

lie-in

noun
  • A form of protest where a group of people lie down in a public area. 

  • A period spent lying in bed for longer than usual after one has woken up. 

meeting

noun
  • The people at such a gathering. 

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

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

  • The act of persons or things that meet. 

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

  • An encounter between people, even accidental. 

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