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
The Professor tends to do extensive research for each leg, hence his call sign.
—
Michael Verdon, Robb Report, 3 Aug. 2025
DuMont received a commercial license and changed its call sign to WABD on 2 May 1944, three years after NBC’s and CBS’s commercial stations went into operation in New York City.
—IEEE Spectrum, 3 July 2025
At the request of Ukraine's military, NPR is identifying the soldiers and non-commissioned officers interviewed for this story by their first name or military call sign for security reasons.
—Joanna Kakissis, NPR, 16 June 2025
The soldier had been badly injured in a shootout in Kursk with a Ukrainian fighter from the 8th regiment whose call sign is Bulat.
—Joanna Kakissis, NPR, 16 June 2025
See All Example Sentences for call sign
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Michael Verdon, Robb Report, 3 Aug. 2025
DuMont received a commercial license and changed its call sign to WABD on 2 May 1944, three years after NBC’s and CBS’s commercial stations went into operation in New York City.
—IEEE Spectrum, 3 July 2025
At the request of Ukraine's military, NPR is identifying the soldiers and non-commissioned officers interviewed for this story by their first name or military call sign for security reasons.
—Joanna Kakissis, NPR, 16 June 2025
The soldier had been badly injured in a shootout in Kursk with a Ukrainian fighter from the 8th regiment whose call sign is Bulat.
—Joanna Kakissis, NPR, 16 June 2025
See All Example Sentences for call sign
Cite this Entry
“Call sign.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/call%20sign. Accessed 21 Aug. 2025.
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