from Wiktionary, Creative Commons Attribution/Share-Alike License
- proper n. Chopawamsic Island, a private island on the Virginia side of the Potomac River, 275 yards from Quantico.
- proper n. Chopawamsic Creek, a tributary stream of the Potomac River in Prince William and Stafford counties, Virginia.
From an Algonquian language meaning "isolated lodge". (Wiktionary)