<p><strong>Noun</strong></p><ul><li>Bookkeeping: a handwritten or printed work of fiction or nonfiction, usually on sheets of paper fastened or bound together within covers.</li><li>A work of fiction or nonfiction in an electronic format: e-book.</li><li>A number of sheets of blank or ruled paper bound together for writing, recording business transactions, etc.</li><li>A division of a literary work, especially one of the larger divisions.</li><li>The Book: the Bible.</li><li>Music: the text or libretto of an opera, operetta, or musical.</li><li>Books of account.</li><li>Jazz: the total repertoire of a band.</li><li>A script or story for a play.</li><li>A record of bets, as on a horse race.</li><li>Cards: the number of basic tricks or cards that must be taken before any trick or card counts in the score.</li><li>A set or packet of tickets, checks, stamps, matches, etc., bound together like a book.</li><li>Anything that serves for the recording of facts or events.</li><li>Sports: a collection of facts and information about the usual playing habits, weaknesses, methods, etc., of an opposing team or player, especially in baseball.</li><li>Stock Exchange: the customers served by each registered representative in a brokerage house.</li><li>A loose-leaf binder kept by a specialist to record orders to buy and sell stock at specified prices.</li><li>A pile or package of leaves, as of tobacco.</li><li>Mineralogy: a thick block or crystal of mica.</li><li>A magazine: used especially in magazine publishing.</li><li>Book value.</li><li>Slang: bookmaker.</li><li>The book: a set of rules, conventions, or standards.</li><li>The telephone book.</li></ul><p><strong>Verb</strong></p><ul><li>To enter in a book or list; record; register.</li><li>To reserve or make a reservation for (a hotel room, passage on a ship, etc.).</li><li>To register or list (a person) for a place, transportation, appointment, etc.</li><li>To engage for one or more performances.</li><li>To enter an official charge against (an arrested suspect) on a police register.</li><li>To act as a bookmaker for (a bettor, bet, or sum of money).</li></ul><p><strong>Adjective</strong></p><ul><li>Of or relating to a book or books: the book department; a book salesman.</li><li>Derived or learned from or based on books: a book knowledge of sailing.</li><li>Shown by a book of account: The firm's book profit was $53,680.</li></ul><p><strong>Verb Phrase</strong></p><ul><li>To sign out, as at a job.</li><li>To sell out in advance: The hotel is booked up for the Christmas holidays.</li><li>To sign in, as at a job.</li></ul>