ack-ack
noun
ˈak-ˌak 
: an antiaircraft gun
also : antiaircraft fire
Word History
Etymology
British signalmen's telephone pronunciation of AA, abbreviation of antiaircraft entry 1
First Known Use
1917, in the meaning defined above
- foulbroods
- fouldcourse
- foulder
- foule
- fouled
- illegalized
- illegalizes
- illegalizing
- illegally
- illegals
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- illegibly
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- illegitimation
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- illegitimatize