The story
In 1774, the Virginia assembly separated the western portion of Augusta County's territory to form the district.
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: A short-lived region (in place 1774–1776) of the Colony of Virginia that encompassed much of what is now northern West Virginia and southwestern Pennsylvania. Full definition →
In 1774, the Virginia assembly separated the western portion of Augusta County's territory to form the district.
Etymology from Wiktionary, CC BY-SA 4.0.