book Definition in Cambridge British English Dictionary
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Definition of "book" - British English Dictionary

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booknoun

uk   us   /bʊk/

book noun (TEXT)

A1 [C] a written text that can be published in printed or electronic form: Have you read any good books recently? He has a new book out (= published). She wrote a book on car maintenance.A1 [C] a set of pages that have been fastened together inside a cover to be read or written in: a hardback/paperback book I took a book with me to read on the plane. He writes all his expenses in a little book he carries with him. [C] one of the parts that a very long book, such as the Bible, is divided into: the book of Job
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book noun (IN COVER)

C2 [C] a number of one type of thing fastened together flat inside a cover: a book of stamps/tickets/matches

book noun (MONEY RECORD)

books [plural] the written records of money that a business has spent or received: At the end of the year, the accountant goes over (= checks) the books. Running a school is much more of a business than it used to be, - by law we have to balance our books. [S] the situation in which a bookmaker accepts and pays out amounts of money that are risked on a particular result: They've already opened/started a book on the result of the next World Cup.

bookverb

uk   us   /bʊk/

book verb (ARRANGE)

A2 [T or I] to arrange to have a seat, room, performer, etc. at a particular time in the future: [+ two objects] I've booked us two tickets to see "Carmen"/I've booked two tickets for us to see "Carmen". She'd booked a table for four at their favourite restaurant. Will booked a seat on the evening flight to Los Angeles. We were advised to book early if we wanted to get a room. They booked a jazz band for their wedding. The hotel/restaurant/theatre is fully booked (up) (= all the rooms/tables/tickets have been taken). I'd like to go but I'm booked up (= I have arranged to do other things) until the weekend.
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book verb (MAKE A RECORD)

[T] If a police officer, referee, etc. books someone, they write down the person's name in an official record because they have done something wrong: A football player who is booked twice in a game is sent off the field. My grandmother was booked for speeding last week.
(Definition of book from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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