ack-ack : Definition, Usages, News and More
- n artillery designed to shoot upward at airplanes
- Here's heavy ack-ack now loud firing and muffled shouts of crew'.
- The Italians on the shore had depressed their ack-ack guns.
- The Indian air force had knocked out the Pakistanis' runways and, out side of the limited range of ack-ack guns, Indian planes could fly as freely as if they were at an air show.