call letters

plural noun

1. letters of the alphabet or such letters in combination with numbers for identifying a radio or television station, an amateur radio transmitting device, or the like.

call letters

plural noun

1. the call sign of an American or Canadian radio station, esp that of a commercial broadcasting station

Word History and Origins

Origin of call letters¹

First recorded in 1910–15

Example Sentences

With which he opened up the wireless and began repeating the call letters.

From Project Gutenberg

Then VAI or the call letters of the ground station being called.

From Project Gutenberg

Will you state the master's full name, and the call letters and registration of your craft.

From Project Gutenberg