nounslang, historical Military
1Anti-aircraft guns collectively; anti-aircraft fire.
Chiefly applied by Allied soldiers to German guns.
2As a count noun. An anti-aircraft gun.
Originally applied by Allied soldiers to German guns, but subsequently also used to denote the Allies' own guns.
Early 20th century. From Archie, pet form of the male forename Archibald; for the motivation for the name see Archibald.
verbslang, historical Military
To fire at (an enemy air force or aircraft) with an anti-aircraft gun.
Usually with reference to the First World War (1914–18).
Early 20th century. From Archie.