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Potomac

American  
[puh-toh-muhk] / pəˈtoʊ mək /

noun

  1. a river flowing SE from the Allegheny Mountains in West Virginia, along the boundary between Maryland and Virginia to the Chesapeake Bay. 287 miles (460 km) long.

  2. a city in central Maryland, near Washington, D.C.


Potomac British  
/ pəˈtəʊmək /

noun

  1. a river in the E central US, rising in the Appalachian Mountains of West Virginia: flows northeast, then generally southeast to Chesapeake Bay. Length (from the confluence of headstreams): 462 km (287 miles)

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

They needed a map to find their way to the Naval Proving Ground, a military research center on the banks of the Potomac River in Dahlgren, Va.

From The Wall Street Journal

People like Vicki Judson, who has been swimming in the Potomac River for 25 years, want to know when the river will be safe.

From The Wall Street Journal

One month ago a pipe carrying sewage from the US capital and parts of the neighboring states of Maryland and Virginia burst, sending hundreds of millions of liters of waste into the Potomac River.

From Barron's

Through the cockpit, the city glowed on the horizon, a strip of twinkling lights severing the night sky from the dark Potomac river.

From The Wall Street Journal

The land sits on low ground and would need fill for any redesign, to get it above the Potomac River flood plain.

From The Wall Street Journal