(accounting) A book in which accounts are kept; ledger.

The destruction, removal, or recalling of books, motion pictures, broadcasts, or electronic works as a form of censorship, especially motivated by religious or political objections to the material.

A book containing religious prayers / (when capitalized) The Book of Common Prayer / (nautical) A small holystone

A small book for keeping other people's addresses and phone numbers. / (computing) A computerized storage area for contact information such as e-mail addresses.

(idiomatic) A person or thing that cannot be easily understood; someone or something incomprehensible or puzzling.

The first five books of the Hebrew Bible.

A bond or similar security for which no certificate is issued, but ownership is recorded on computer.

a type of ledger in which visitors to a particular establishment, such as a bed and breakfast or a museum, may leave comments about the establishment.

(chiefly US and Australia, informal, figuratively) To study, especially with particular intensity.

(historical) The Book of Winchester; the principal record of the Domesday survey of England carried out in 1086 for William the Conqueror, comprising of two volumes: the Great Domesday Book and the Little Domesday Book.