1A British settlement established in Virginia in 1607, abandoned when the state capital of Virginia was moved to Williamsburg at the end of the 17th century.
2The capital and chief port of the island of St Helena; population 700 (est. 2008).
Definition of Jamestown in US English:
Jamestown
proper nounˈjāmzˌtoun
1A city in southwestern New York, on Lake Chautauqua; population 29,463 (est. 2008).
2A city in northeastern North Dakota; population 14,630 (est. 2008).
3A British settlement established on the James River in Virginia in 1607, abandoned when the colonial capital was moved to Williamsburg at the end of the 17th century.