call letters
plural noun
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.
Also called
call sign.
Origin of call letters
First recorded in 1910–15
Words nearby call letters
call in,
call in question,
call in sick,
call it a day,
call it quits,
call letters,
call loan,
call market,
call money,
call names,
call number
British Dictionary definitions for call letters
call letters
pl n
the call sign of an American or Canadian radio station, esp that of a commercial broadcasting station