black chamber

Noun

Meaning

black chamber (plural black chambers)

(historical, cryptography, informal) A government or royal court's cryptanalyst department.

Source: en.wiktionary.org

Examples

Codebooks and codebook publishers proliferated, including one run as a front for the American Black Chamber run by Herbert Yardley between the First and Second World Wars. Source: Internet

Prototype of Red Japanese diplomatic communications at negotiations for the Washington Naval Treaty were broken by the American Black Chamber in 1922, and when this became publicly known, there was considerable pressure to improve their security. Source: Internet

The American Black Chamber. Source: Internet

Manatt also continues to be the registered lobbying firm for the California Black Chamber of Commerce. Source: Internet

The Greater Austin Black Chamber of Commerce remains dedicated to providing resources, technical assistance and leadership while promoting the development and expansion of African American and greater Austin area businesses communities. Source: Internet

Close letter words and terms

black caviar black centipede-eater black chalk black chanterelle black character black charcoal