from The American Heritage® Dictionary of the English Language, 4th Edition
- A river of the east-central United States rising in northeast West Virginia and flowing about 459 km (285 mi) along the Virginia-Maryland border to Chesapeake Bay. It is navigable for large ships to Washington, D.C.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a river in the east central United States; rises in West Virginia in the Appalachian Mountains and flows eastward, forming the boundary between Maryland and Virginia, to the Chesapeake Bay
Sorry, no etymologies found.