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call sign

American

noun

call letters.

call sign British

noun

a group of letters and numbers identifying a radio transmitting station, esp an amateur radio station Compare call letters

"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

Etymology

Origin of call sign

First recorded in 1915–20

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.

See Examples For:

call sign

Another member of the unit, a 36-year-old with the call sign Khersonets, joined up when Russian troops occupied Crimea in 2014 and re-enlisted in 2022.

From The Wall Street Journal ● Jun. 25, 2026

Whenever a US president is on the jet, it officially takes the call sign Air Force One.

From Barron's ● Jun. 19, 2026

He's an ethnic Hungarian, from Uzhgorod in western Ukraine, and best known by his military call sign, Magyar.

From BBC ● Apr. 27, 2026

“And you will know my call sign is Sandy 1, when I lay my vengeance upon thee.”

From Los Angeles Times ● Apr. 16, 2026

“A-Dawg. It’s my call sign on Screaming Eagles IV.”

From "Eleven" by Tom Rogers

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023