book (EN)
noun, verb

noun “book”

sg. book, pl. books
  1. a published written work
    She downloaded a book to read on her tablet during the flight.
  2. a physical set of pages fastened together along one side
    He placed the book on the table and started flipping through the pages.
  3. a significant section of a long text (e.g. the Bible)
    The novel was divided into three books, each focusing on a different phase of the protagonist's life.
  4. a record of bets made in gambling
    He keeps a detailed book on all the football bets he makes throughout the season.
  5. (figuratively) a source from which one can learn
    For many, nature is a book from which we can learn about life's complexities.
  6. current knowledge of chess openings or endgames
    His opponent tried an opening that took him outside the book.

verb “book”

book; he books; past booked, part. booked; ger. booking
  1. to make a reservation for future use
    She booked tickets for the concert next month.
  2. to formally record the details of (someone doing something illegal)
    After the fight at the bar, the officers booked her for assault.
  3. to officially caution a player in sports
    The referee booked the player for a rough tackle, showing him a yellow card.
  4. to record bets as a bookmaker
    At the horse races, he booked bets for all the major contenders.
  5. (informal, law student slang) to achieve the highest grade in a class
    Sarah was thrilled to find out she had booked her torts exam, outperforming the entire class.