Monte Carlo vs pool hall

Monte Carlo

noun
  • An informal dance competition, where contestants in one quarter of the floor are eliminated by a randomly chosen card representing the corner. 

  • A commonly served drink consisting of beer and grenadine. 

name
  • A part of Monaco famous for its casinos. 

pool hall

noun
  • A building where visitors pay to play billiards (pool). 

How often have the words Monte Carlo and pool hall occurred in a corpus of books? (source: Google Ngram Viewer )