- an arm of the Atlantic Ocean between southern England and northern France, connected with the North Sea by the Strait of Dover. 350 miles (565 kilometers) long; 20–100 miles (32–160 kilometers) wide.
- an arm of the Atlantic Ocean between S England and N France, linked with the North Sea by the Strait of Dover. Length: about 560 km (350 miles). Width: between 32 km (20 miles) and 161 km (100 miles)
