a coastal marshland in SE Virginia and NE North Carolina: partly reclaimed. Area: about 1940 sq km (750 sq miles). Area before reclamation: 5200 sq km (2000 sq miles)
Dismal Swamp in American English
marshy, forested region between Norfolk, Va., & Albemarle Sound, N.C.: c. 30 mi (48 km) long; traversed by a canal that is part of the Intracoastal Waterway