Ack-ack Definition

ăkăk
noun
An antiaircraft gun.
American Heritage
An antiaircraft gun or its fire.
Webster's New World
Synonyms:
ack-ack gunpom-pomflackflakantiaircraft-gunantiaircraft
adjective

Of or relating to antiaircraft warfare.

Wiktionary

Other Word Forms of Ack-ack

Noun

Singular:
ack-ack
Plural:
ack-acks

Origin of Ack-ack

  • From ack (“A") + ack (“A"), RAF WWI signalese for AA (“anti-aircraft"). (In modern signalese it would be called alpha-alpha.)

    From Wiktionary

  • British telephone code for AA abbreviation for antiaircraft

    From American Heritage Dictionary of the English Language, 5th Edition

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