noun a former inlet of the North Sea in the northern coast of the Netherlands; sealed off from the sea in 1932 by a dam that created the IJsselmeer
Former sea inlet in the northwestern Netherlands, closed off from the North Sea by a 32-km/20-mi dyke in 1932; much of it has been reclaimed as land. The remaining lake is called the IJsselmeer
a former shallow inlet of the North Sea in central Netherlands. Cf.