n A collection of sheets of paper bound together to hinge at one edge, containing printed or written material, pictures, etc.
n A long work fit for publication, typically prose, such as a novel or textbook, and typically published as such a bound collection of sheets, but now sometimes electronically as an e-book.
n A major division of a long work.
n (gambling) A record of betting (from the use of a notebook to record what each person has bet).
n (informal) A bookmaker (a person who takes bets on sporting events and similar); bookie; turf accountant.
n A convenient collection, in a form resembling a book, of small paper items for individual use.
n (theater) The script of a musical or opera.
n (usually in the plural) Records of the accounts of a business.
n (law, colloquial) A book award, a recognition for receiving the highest grade in a class (traditionally an actual book, but recently more likely a letter or certificate acknowledging the achievement).
n (whist) Six tricks taken by one side.
n (poker slang) Four of a kind.
n (sports) A document, held by the referee, of the incidents happened in the game.
n (sports, by extension) A list of all players who have been booked (received a warning) in a game.
n (cartomancy) The twenty-sixth Lenormand card.
n (figurative) Any source of instruction.
n (with "the") The accumulated body of knowledge passed down among black pimps.
n (advertising, informal) A portfolio of one's previous work in the industry.
n (chess, uncountable) The sum of chess knowledge in the opening or endgame.
v (transitive) To reserve (something) for future use.
v (transitive) To write down, to register or record in a book or as in a book.
v (transitive) To add a name to the list of people who are participating in something.
v (law enforcement, transitive) To record the name and other details of a suspected offender and the offence for later judicial action.
v (sports) To issue a caution to, usually a yellow card, or a red card if a yellow card has already been issued.
v (intransitive, slang) To travel very fast.
v To record bets as bookmaker.
v (transitive, law student slang) To receive the highest grade in a class.
v (intransitive, slang) To leave.
n A surname.