Definition of code name in English:
A word used for secrecy or convenience instead of the usual name.
- I don't known why the Secret Service gives out the code name, but his code name is Tumbler.
- We don't know if that's his real name or a code name.
- Ah, he does not want me to say his name but he has given me a code name.
Definition of code name in:
- British & World English dictionary
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