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.
Read more in this article about some frequently asked questions and fun facts related to our definitions.
Why are some letters tied together?
It is hard to remember that fonts originated in handwriting, but occasionally reminders, like ligatures, pop up. “Ligature” literally means to bind or tie up, so when two letters are tied together in script, it is called a ligature. Medieval scribes combined letters that shared some part, so they could write faster and conserve space on the page. For example, rather than write fi, they combined the tittle …
Origin of call letters
First recorded in 1910–15
Also called call sign.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
the call sign of an American or Canadian radio station, esp that of a commercial broadcasting station
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012