Hampton Roads - a naval battle of the American Civil War (1862); the indecisive battle between the Monitor and the Merrimac

Old Dominion, Old Dominion State, VA, Virginia - a state in the eastern United States; one of the original 13 colonies; one of the Confederate States in the American Civil War

channel - a deep and relatively narrow body of water (as in a river or a harbor or a strait linking two larger bodies) that allows the best passage for vessels; "the ship went aground in the channel"

naval battle - a pitched battle between naval fleets

American Civil War, United States Civil War, War between the States - civil war in the United States between the North and the South; 1861-1865

Hampton Roads - a channel in southeastern Virginia through which the Elizabeth River and the James River flow into Chesapeake Bay