ack-ack

noun
\ ˈak-ˌak How to pronounce ack-ack (audio) \

Definition of ack-ack

: an antiaircraft gun also : antiaircraft fire

First Known Use of ack-ack

1917, in the meaning defined above

History and Etymology for ack-ack

British signalmen's telephone pronunciation of AA, abbreviation of antiaircraft entry 1

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Time Traveler for ack-ack

Time Traveler

The first known use of ack-ack was in 1917

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Dictionary Entries Near ack-ack

ack

ack-ack

ackee

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Cite this Entry

“Ack-ack.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ack-ack. Accessed 27 Nov. 2021.

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