Also found in: Thesaurus, Wikipedia.
Related to ack-ack gun: flak
Switch to new thesaurus
|Noun||1.||ack-ack gun - artillery designed to shoot upward at airplanes|
Bofors gun - an automatic double-barreled antiaircraft gun
gun - a weapon that discharges a missile at high velocity (especially from a metal tube or barrel)
predictor - a computer for controlling antiaircraft fire that computes the position of an aircraft at the instant of a shell's arrival