arm of the Atlantic, extending north into Va. and Md.: c. 200 mi (320 km) long
Origin of Chesapeake Bayfrom Algonquian, literally , place on a big river
An inlet of the Atlantic Ocean separating the Delmarva Peninsula from mainland Maryland and Virginia. Explored and charted by John Smith in 1608, it is an important link in the Intracoastal Waterway.