Search Result：ack-ack gun
ack-ack gun 
(TTS Sound)
(TTS Sound)Overview of noun ack-ack_gun
The noun ack-ack gun has 1 sense
- antiaircraft, antiaircraft gun, flak, flack, pom-pom, ack-ack, ack-ack gun -- (artillery designed to shoot upward at airplanes)