- to assign a code name to.
Origin of code-name
First recorded in 1955–60
- a 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.
- Also called code phrase. a word or phrase assigned a meaning understood only by those who are secretly informed of it.
Origin of code name
First recorded in 1915–20
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018