Washland

Washland or Washes are areas of land adjacent to rivers which are deliberately flooded at times when the rivers are high, to avoid flooding in residential or important agricultural areas. They often provide for overwintering wildfowl, and several include important nature reserves. Examples of Washlands include: ...
Found on http://en.wikipedia.org/wiki/Washland

washland

area periodically flooded by river
Found on http://phrontistery.info/w.html
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