code book

noun

1. a book containing a list of code signals with their meanings, usually arranged alphabetically.

Word History and Origins

Origin of code book¹

First recorded in 1880–85

Example Sentences

For the past 150 years, evangelicals have read their Bibles as a code book that foretells the immediate future.

From Washington Post

Returning to his office he gave the code-book another careful inspection and confirmed his impression as to its being authentic.

From Project Gutenberg

What to say to a Prince who answered questions of legal right by: 'I am above the law, alter the petty phrase in your code-book.'

From Project Gutenberg

He found everything but what he wanted most—the code book, by which he could furbish up on dots and dashes.

From Project Gutenberg

What did a coder or code book, matter at the present moment?

From Project Gutenberg

I took from his pockets a leather bound code book, English, French and German bank notes, and a gold stop watch.

From Project Gutenberg