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

Norah O'Donnell interviewed the weapon systems officer, with the mission call sign Dude 44 Bravo, about his two days on the ground in Iran back in April. — CBS News, 8 Sep. 2026

In the interview, the officer is identified by the call sign Dude Four Four Bravo. — Ted Johnson, Deadline, 8 Sep. 2026

The system broadcasts a ship’s GPS position information along with the ship’s name, course and speed, classification and call sign. — Zak Kassas, The Conversation, 23 June 2026

Crow and Creepy, the call signs of two soldiers from the 24th Mechanized Brigade, have spent 344 and 334 days respectively, non-stop, in frontline dugouts. — Nick Paton Walsh, CNN Money, 30 May 2026

Word History

First Known Use

1907, in the meaning defined above

Rhymes for call sign

• affine
• airline
• align
• aline
• assign
• baseline
• beamline
• benign
• bloodline
• bovine
• brucine
• byline