The stretch of water between southern England and northern France connected with the North Sea by the Strait of Dover.

an arm of the Atlantic Ocean that forms a channel between France and Britain

Narrow sea separating France and UK. It is 180 km wide in west where it meets Atlantic Ocean and narrows to 34 km at Strait of Dover in east at its junction with the North Sea.

a body of water between France and England (in the U.K.).

A body of water that separates England France

The English Channel (French: La Manche (IPA: ), "the sleeve") is the part of the Atlantic Ocean that separates the island of Great Britain from northern France and joins the North Sea to the Atlantic. It is about 563 km (350 mi) long and at its widest is 240 km (150 mi). The Strait of Dover is the narrowest part of the channel, being only 34 km (21 mi) from Dover to Cap Gris Nez, and is located at the eastern end of the English Channel, where it meets the North Sea.