WordNet
barrage fire
n. the heavy fire of artillery to saturate an area rather than hit a specific target; "they laid down a barrage in front of the advancing troops"; "the shelling went on for hours without pausing" [syn: barrage, battery, bombardment, shelling]
Usage examples of "barrage fire".
In fact, during the Iran-Iraq War, Baghdad was so disappointed in its antiaircraft gunners that it largely stopped employing the tracking systems on their guns and instead simply used a barrage fire system in which every gun was assigned a sector of the sky.