call sign

noun

1. call letters.

call sign

noun

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

Word History and Origins

Origin of call sign¹

First recorded in 1915–20

Example Sentences

Each voice delivered a short command that included a call sign, color, and number, such as "Ready, Eagle, go to green five now."

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It was there that we were headed, call sign “TI”—Terminal Island.

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Everyone had a nickname, or a call sign, or a handle from the group chat.

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Victor's call sign is IKE, which is reputedly short for "I Know Everything," ackowledging his three master's degrees - in flight test engineering, systems engineering and military operational art and science.

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His call sign is "The Knifer".

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