Waddenzee

[ vaid-n-zey ]
/ ˈvɛəd nˌzeɪ /

noun

a shallow inlet of the North Sea between the N coast of the Netherlands and the West Frisian Islands: outer section of the former Zuider Zee. About 3861 sq. mi. (10,000 sq. km).

British Dictionary definitions for waddenzee

Waddenzee
/ (Dutch ˈwɑdənzeː) /

noun

the part of the North Sea between the Dutch mainland and the West Frisian Islands