antiaircraft gun

Definitions of antiaircraft gun
1

n artillery designed to shoot upward at airplanes

Synonyms:
ack-ack, ack-ack gun, antiaircraft, flack, flak, pom-pom
Types:
Bofors gun
an automatic double-barreled antiaircraft gun
Type of:
gun
a weapon that discharges a missile at high velocity (especially from a metal tube or barrel)

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