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code book

a book containing a list of code signals with their meanings, usually arranged alphabetically.
Origin of code book
1880-85 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for codebook
Historical Examples
  • He found "phoenix" in one codebook with its meaning given as "extremely ill, death imminent."

    Mike Flannery On Duty and Off Ellis Parker Butler
  • I took my codebook from my pocket and translated the message upon the back of the telegraph-form.

    My Strangest Case Guy Boothby
codebook in Technology
The Free On-line Dictionary of Computing, © Denis Howe 2010
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