ACK-ACK


Meaning of ACK-ACK in English

transcription, транскрипция: [ ˈak-ˌak ]

noun

Etymology: British signalmen's former telephone pronunciation of AA, abbreviation of antiaircraft

Date: 1926

: an antiaircraft gun ; also : antiaircraft fire

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.