Zuider Zee[zī′dər zē′; Du zo̵i′dər zā′]
Zuider Zee definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
former arm of the North Sea, which extended into the Netherlands: its S section was shut off from the North Sea by dikes
Zuider Zee definition by American Heritage Dictionary
A former shallow inlet of the North Sea in northeast Netherlands. Originally a lake, it was joined with the North Sea by heavy flooding. A dike, completed in 1932, turned the southern section into the Ijsselmeer, which has largely been reclaimed for agriculture.