ack-ack gun

Thesaurus

Noun

1.

ack-ack gun - artillery designed to shoot upward at airplanesack-ack, antiaircraft, antiaircraft gun, pom-pom, flack, flakBofors gun - an automatic double-barreled antiaircraft gungun - 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