polder

An area of low-lying land, especially in the Netherlands, that has been reclaimed from a body of water and is protected by dikes.

A boggy or marshy soil; a morass; specifically, a tract of marshy land in the Netherlands, Flanders, and northern Germany, which has been reclaimed and brought under cultivation.

A tract of low land reclaimed from the sea by of high embankments.

An area of ground reclaimed from a sea or lake by means of dikes.

low-lying land that has been reclaimed and is protected by dikes (especially in the Netherlands)