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)
Example Sentences
Recent Examples on the Web The Osprey with call sign, Ghost 31, crashed during a training exercise called Exercise Cold Response 2022. 
Liz Friden, Fox News, 15 Aug. 2022 The flight path of the aircraft whose call sign appears as SPAR19 garnered a lot of attention online with more than 620,000 people following it live on FlightRadar’s website at one point. Siladitya Ray, Forbes, 2 Aug. 2022 In a recording, Duffy (call sign: Dusty Cyanide) talks to the aircraft coming to his rescue. CBS News, 17 July 2022 And my counterpart on the Navy side was Captain Brian Ferguson, call sign Ferg. Kara Warner, PEOPLE.com, 5 June 2022 In the new film, Tom Cruise returns as Lieutenant Pete Mitchell, whose call sign is Maverick. Richard Brody, The New Yorker, 26 May 2022 On day four of the war, his company commander, a historian by training who goes by the call sign Historian, was injured in a firefight with a Russian infiltrator group in Kyiv. Yaroslav Trofimov, WSJ, 9 May 2022 Friday’s memorial closed with a ceremonial final radio call from DU-COMM, DuPage Public Safety Communications, calling for Ruth with his radio call sign, Echo 70. Graydon Megan, Chicago Tribune, 10 June 2022 Robert Glover, who goes by the call sign Cruiser 50, shouted into his radio. Elyse Samuels, Washington Post, 10 June 2022 See More
Liz Friden, Fox News, 15 Aug. 2022 The flight path of the aircraft whose call sign appears as SPAR19 garnered a lot of attention online with more than 620,000 people following it live on FlightRadar’s website at one point. Siladitya Ray, Forbes, 2 Aug. 2022 In a recording, Duffy (call sign: Dusty Cyanide) talks to the aircraft coming to his rescue. CBS News, 17 July 2022 And my counterpart on the Navy side was Captain Brian Ferguson, call sign Ferg. Kara Warner, PEOPLE.com, 5 June 2022 In the new film, Tom Cruise returns as Lieutenant Pete Mitchell, whose call sign is Maverick. Richard Brody, The New Yorker, 26 May 2022 On day four of the war, his company commander, a historian by training who goes by the call sign Historian, was injured in a firefight with a Russian infiltrator group in Kyiv. Yaroslav Trofimov, WSJ, 9 May 2022 Friday’s memorial closed with a ceremonial final radio call from DU-COMM, DuPage Public Safety Communications, calling for Ruth with his radio call sign, Echo 70. Graydon Megan, Chicago Tribune, 10 June 2022 Robert Glover, who goes by the call sign Cruiser 50, shouted into his radio. Elyse Samuels, Washington Post, 10 June 2022 See More Word History
First Known Use
1907, in the meaning defined above