ack-ack

Definition from Wiktionary, the free dictionary
Jump to: navigation, search

English[edit]

Etymology[edit]

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

Noun[edit]

ack-ack (countable and uncountable, plural ack-acks)

  1. Antiaircraft artillery.
    The army fired upon us with ack-ack.
    Ack-acks were set up in the square.
  2. (uncountable) Antiaircraft fire
    The bomber flew through heavy ack-ack.

Adjective[edit]

ack-ack (not comparable)

  1. Of or relating to antiaircraft warfare.

Synonyms[edit]

  • (anti-aircraft gun): AAA, AA