A low-lying, flat area reclaimed from the sea and protected by embankments or dykes; especially along the Netherlands North Sea coast.
Geography
Land reclaimed from the sea, lakes, or river deltas; the land is bounded by a dyke, drained, and is maintained by pumping. Calamity polders are overflow areas, to be flooded during extreme discharges; see Roth and Warner (2007) Tijdschrift 98, 4.