booked (Adjective) — Reserved in advance. ex. "All highways must be five lanes wide and either three or four of these lanes must be booked for passenger cars only"
booked (Verb) — Engage for a performance. ex. "Her agent had booked her for several concerts in Tokyo"
booked (Verb) — Arrange for and reserve (something for someone else) in advance. ex. "The agent booked tickets to the show for the whole family"
booked (Verb) — Record a charge in a police register. ex. "The policeman booked her when she tried to solicit a man"
booked (Verb) — Register in a hotel booker.
booked (Verb) — (sports) issue a caution for foul play.