ALL meanings of army of the potomac
ar·my of the Po·to·mac
A a - noun army of the potomac Union forces, trained and organized by Gen. George B. McClellan, that guarded Washington, D.C., against a Confederate invasion across the Potomac and fought battles in the eastern sector during the Civil War. 1
- noun army of the potomac Confederate forces from the Alexandria, Potomac, and Shenandoah districts from mid–1861 to mid–1862: later known as Army of Northern Virginia. 1