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.
Swedish troops have potential but need to improve their drones and tactics and commanders need a deeper understanding of drone warfare, said another pilot with the call sign Karat. ABC News, 12 May 2026 These stations were assigned prominent call signs and allowed to operate on the most powerful frequencies, giving them significantly greater range and market penetration. Encyclopedia Britannica, 22 Apr. 2026 The pilot, call sign Dude 44A, was rescued on Friday. Lucia I Suarez Sang, CBS News, 7 Apr. 2026 The officer, who rode in the backseat of the F-15 flying under the call sign Dude-44 Bravo, was injured but followed his training to get as far from the crash site as possible. Jonathan J. Cooper, Los Angeles Times, 7 Apr. 2026 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

Browse Nearby Words

Cite this Entry

“Call sign.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/call%20sign. Accessed 14 May. 2026.

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