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Definition of callsign

callsign

/ˈkɔːlˌsaɪn/
call · sign
Plural:callsigns
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callsign Lexical Profile

callsign Game Scores & Validity

• noun

1

A unique sequence of letters and numbers, or a distinctive code name, assigned to a radio transmitter, broadcasting station, aircraft, ship, or operator for identification during radio communications.

Example

"The air traffic controller repeated the aircraft's callsign to confirm the clearance for landing."

Synonyms
View all synonyms for callsign

• Nearby Words

callousness
callout
callow
callsign
callus
calm
calming

Cite this Entry

Wordmom. (2026). Definition of Callsign. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/callsign
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