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ACK-ACK

 - 3 dictionary results

ack-ack

  [ak-ak]
Use ACK-ACK in a Sentence
–noun Informal. (esp. during World War II).
1. antiaircraft fire.
2. antiaircraft arms.
Also, Ack-Ack.

Origin:
1935–40; for A.A. (abbrev. of a(nti) a(ircraft)) as said by British signalmen referring to sense 2
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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ack-ack   (āk'āk')   
n.   Slang

  1. An antiaircraft gun.

  2. Antiaircraft fire.


[British telephone code for AA, abbreviation for antiaircraft.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Word Origin & History

ack-ack 
1939, representing A.A., the military abbreviation for anti-aircraft.
Online Etymology Dictionary, © 2001 Douglas Harper
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