Dictionary.com

call sign

noun

call letters.

QUIZZES

BECOME A PRO CHEF WITH THIS EXQUISITE CUISINE QUIZ!

Even if you can't be a professional chef, you can at least talk like one with this vocabulary quiz.
Question 1 of 9
You may have read the word "simmer" in a recipe or two, but what does it really mean?
To cook in water that begins cold and then reaches a boil.
To stew in a sauce for a long time.
To cook in water, just below boiling temperature.
TAKE THE QUIZ TO FIND OUT

Origin of call sign

First recorded in 1915–20

Words nearby call sign

callous, callout, callow, Calloway, call rate, call sign, call slip, call someone's bluff, call the shots, call the tune, call to account
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for call sign

call sign

noun

a group of letters and numbers identifying a radio transmitting station, esp an amateur radio stationCompare call letters
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