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codeword

British  
/ ˈkəʊdˌwɜːd /

noun

  1. Also: codename.  (esp in military use) a word used to identify a classified plan, operation, etc

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The 19-year-old, who was mixed race, was protected in hospital by police who gave his mother the codeword "banana" for when she wanted to visit.

From BBC • Jan. 25, 2023

We’ve all seen the cryptic notations on these documents about special compartments and codeword protections for human and signals intelligence.

From Washington Post • Sep. 6, 2022

Another codeword is the term Grus 200, or Cargo 200.

From Los Angeles Times • May 20, 2022

It’s less a codeword between insiders than a veiled taunt.

From Slate • Nov. 4, 2021

Thus "amber" is the codeword for £1; "heliotrope" for £20; "rainbow" for "win and 1, 2."

From Punch, or the London Charivari, Vol. 146, April 8, 1914 by Various

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