- 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).
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- the part of the North Sea between the Dutch mainland and the West Frisian Islands