call letters

English

Noun

call letters pl (plural only)

  1. (broadcasting) Call sign.
    • 2020 [2019 September 17], Edward Snowden, Permanent Record (autobiography; paperback), Pan Books, →ISBN:
      I left my smartphone on the kitchen counter alongside a notepad on which I scribbled in pen: Got called away for work. I love you. I signed it with my call-letter nickname, Echo.