call sign

noun

: the combination of identifying letters, letters and numbers, or words assigned to an operator, office, activity, vehicle, or station for use in communication (as in the address of a message sent by radio)

Examples of call sign in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Similar things happened with the call signs airlines use to identify flights in the air, Gonzalez said. Martha Bellisle, Chicago Tribune, 27 Aug. 2025 Warren flew a Huey attack helicopter, or gunship, with the call sign Mustang 53. Joe Marusak, Charlotte Observer, 13 Aug. 2025 The Professor tends to do extensive research for each leg, hence his call sign. Michael Verdon, Robb Report, 3 Aug. 2025 Pilots on the regional jet performed their checks to land as the tower told the helicopter, call sign PAT 25, to look out for their CRJ-700 regional jet approaching at 1,200 feet. Alexandra Skores, CNN Money, 30 July 2025 See All Example Sentences for call sign

Word History

First Known Use

1907, in the meaning defined above

Time Traveler
The first known use of call sign was in 1907

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Cite this Entry

“Call sign.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/call%20sign. Accessed 10 Sep. 2025.

Last Updated: - Updated example sentences
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