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
Air Force One, or AF1 on flight tracking websites, is the call sign for whatever plane the president is aboard, not the name of the aircraft itself.
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Lex Harvey, CNN Money, 21 Jan. 2026
With Trump on board, however, the smaller jet is still called Air Force One, as that is the standard call sign for any Air Force aircraft with the president on board.
—Siladitya Ray, Forbes.com, 21 Jan. 2026
The planes were flying under the call signs TITO41 and TITO42.
—Gabe Whisnant, MSNBC Newsweek, 6 Nov. 2025
Now that it has been announced, next up is for Integrity to be used as the crew's possible call sign.
—Robert Pearlman, ArsTechnica, 24 Sep. 2025
See All Example Sentences for call sign
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Lex Harvey, CNN Money, 21 Jan. 2026
With Trump on board, however, the smaller jet is still called Air Force One, as that is the standard call sign for any Air Force aircraft with the president on board.
—Siladitya Ray, Forbes.com, 21 Jan. 2026
The planes were flying under the call signs TITO41 and TITO42.
—Gabe Whisnant, MSNBC Newsweek, 6 Nov. 2025
Now that it has been announced, next up is for Integrity to be used as the crew's possible call sign.
—Robert Pearlman, ArsTechnica, 24 Sep. 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 2 Feb. 2026.
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