ack-ack

Noun
Synonyms: antiaircraftantiaircraft gunflakflackpom-pomack-ack gun

WordNet 3.0

Noun (1)

  1. artillery designed to shoot upward at airplanesSynonyms: antiaircraftantiaircraft gunflakflackpom-pomack-ack gun
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Webster's Dictionary (GCIDE)

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]

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