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ack-ack

or Ack-Ack

[ ak-ak ]
/ ˈækˌæk /
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noun Informal.(esp. during World War II)
antiaircraft fire.
antiaircraft arms.
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Origin of ack-ack

1935–40; for A.A. (abbreviation of a(nti)a(ircraft)) as said by British signalmen referring to sense 2

Words nearby ack-ack

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use ack-ack in a sentence

British Dictionary definitions for ack-ack

ack-ack
/ (ˈækˌæk) /

noun military
  1. anti-aircraft fire
  2. (as modifier)ack-ack guns
anti-aircraft arms

Word Origin for ack-ack

C20: British army World War I phonetic alphabet for AA, abbreviation of anti-aircraft
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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