2 (U.S. history) the war fought from 1861 to 1865 between the North and the South, sparked off by Lincoln's election as president but with deep-rooted political and economic causes, exacerbated by the slavery issue.
A barrage is a term used to describe extensive artillery fire against enemy positions. Barrages were classified as light, moderate or heavy. A light barrage amounted to six or seven shells every ten minutes. A moderate barrage was thirty shells a minute and a heavy one, fifty to sixty shells a minute.
The definition of barrage is  a large volume of something, or a huge amount of things happening all at once. An example of a barrage is when 100 reporters all shoot questions at the president at the same time. An example of barrage is a large amount of gunfire with the purpose of keeping the enemy forces from moving forward.