Definition of answer-back in English:

answer-back

noun

  • 1A (typically automated) response to a transmitted message confirming receipt of the message and identifying the device which has received it; a device or system which issues such a response.

  • 2(A) A responsive action. (b) A rejoinder, a reply.

Origin

Late 19th century; earliest use found in U.S. Patents. Partly from answer + back, and partly from answer + back.

Pronunciation

answer-back

/ˈɑːnsəbak//ˈansəbak/