Definition of "Potomac"

Potomac

/pəˈtoʊmək/

proper noun
1. A river in the eastern United States that flows along the borders of Maryland, Virginia, and West Virginia, and through Washington, DC.
  Quotations
  The Potomac surges against the banks, flush with this morning’s rain.
  2023, R. F. Kuang, Yellowface, The Borough Press, page 298
2. An unincorporated area of Montgomery County, Maryland, United States.
3. A village in Vermilion County, Illinois, United States.
4. (astronomy) The asteroid (1345) Potomac.