Wordnet 3.0
NOUN (1)
1.
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;
[syn: Potomac, Potomac River]
WordNet (r) 3.0 (2006):
Potomac River
n 1: 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 [syn: Potomac, Potomac River]