WordReference Random House Unabridged Dictionary of American English © 2026
code′ name′,
- Cryptographya name assigned to conceal the real identity of a person, as a spy, or to conceal the existence or purpose of a plan, military operation, etc.
- CryptographyAlso called code′ phrase′. a word or phrase assigned a meaning understood only by those who are secretly informed of it.
- 1915–20
- Cryptographyto assign a code name to.
- 1955–60
'code-name' also found in these entries (note: many are not synonyms or translations):
duck
- Abscam
- Barbarossa
- code name
- code word
- Fat Man
- gold
- handle
- Juno
- Little Boy
- magic
- market garden
- Omaha
- ultra
- Utah
- Winchester disk
- sword