The Biblical book of the Acts of the Apostles.

(horseracing) To lay bets (recorded in a pocketbook) against the success of every horse, so that the bookmaker wins on all the unsuccessful horses and loses only on the winning horse or horses.

(US, law) A lawyer's collection of clients.

Alternative form of visitors' book

A book in which visitors or guests (at, for example, a bed and breakfast) may leave comments about the establishment.

Synonym of audiobook

plural of talking book

(weaponry) A container used to store and carry ammunition clips.

(UK) A book in the format of a magazine.

Alternative form of hymnbook