ack-ack
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Related to ack-ack: flak
ack-ack
(ăk′ăk′)n. Slang
1. An antiaircraft gun.
2. Antiaircraft fire.
[British telephone code for AA, abbreviation for antiaircraft.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ack-ack
(ˈækˌæk)n
1. (Military)
a. anti-aircraft fire
b. (as modifier): ack-ack guns.
2. (Military) anti-aircraft arms
[C20: British army World War I phonetic alphabet for AA, abbreviation of anti-aircraft]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
ack-ack
(ˈækˌæk)n. (esp. during World War II)
1. antiaircraft fire.
2. antiaircraft arms.
[1935–40; for A.A. (abbr. of a(nti)a(ircraft))]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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Noun 1. [画像:ack-ack - artillery designed to shoot upward at airplanes]ack-ack - artillery designed to shoot upward at airplanes
Bofors gun - an automatic double-barreled antiaircraft gun
gun - a weapon that discharges a missile at high velocity (especially from a metal tube or barrel)
predictor - a computer for controlling antiaircraft fire that computes the position of an aircraft at the instant of a shell's arrival
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