answerback
Also found in: Acronyms.
an·swer·back
(ăn′sər-băk′)n.
A response to a transmission made over a two-way radio.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.