English definition of “book”
ARRANGE [I, T] › to arrange to use or do something at a particular time in the future: to book a ticket/hotel room We've booked a trip to Spain for next month. Sorry, the hotel is fully booked (= has no more rooms).
CRIME [T] › to officially accuse someone of a crime: Detectives booked him for resisting arrest.
SPORT [T] UK › If a sports official books you, they write an official record of something you have done wrong: The referee booked two players for fighting during the game.