Definitions for "vicksburg"
a town in western Mississippi on bluffs above the Mississippi River west of Jackson; focus of an important campaign during the American Civil War as the Union fought to control the Mississippi River and so to cut the Confederacy into two halves
a decisive battle in the American Civil War (1863); after being besieged for nearly seven weeks the Confederates surrendered
Vicksburg was a key Mississippi River port and rail junction that fell in July 1863 to a brilliant Union campaign by Ulysses S. Grant, commander of the Army of Tennessee, during the Civil War.