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2 definitions found
for ack-ack
From The Collaborative International Dictionary of English v.0.48 :
ack-ack \ack-ack\ n. [from AA, meaning antiaircraft pronounced
ack-ack by British signalmen.] (Mil.)
Artillery designed to shoot upward at airplanes; antiaircraft
artillery.
Syn: antiaircraft, antiaircraft gun, flak, pompom, pom-pom,
ack-ack gun
[WordNet 1.5 +PJC]
From WordNet (r) 3.0 (2006) :
ack-ack
n 1: artillery designed to shoot upward at airplanes [syn:
antiaircraft, antiaircraft gun, flak, flack, pom-
pom, ack-ack, ack-ack gun]
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