
1) Land reclaimed from the sea 2) Tract of low land
Found on
https://www.crosswordclues.com/clue/polder

A polder is a low-lying tract of land enclosed by embankments (barriers) known as dikes that forms an artificial hydrological entity, meaning it has no connection with outside water other than through manually operated devices. There are three types of polder: The ground level in drained marshes subsides over time and thus all polders will eventua...
Found on
http://en.wikipedia.org/wiki/Polder

piece of low-lying reclaimed land
Found on
http://phrontistery.info/p.html

• (n.) A tract of low land reclaimed from the sea by of high embankments.
Found on
http://thinkexist.com/dictionary/meaning/polder/

tract of lowland reclaimed from a body of water, often the sea, by the construction of dikes roughly parallel to the shoreline, followed by drainage ... [2 related articles]
Found on
http://www.britannica.com/eb/a-z/p/86
Pol'der noun [ D.] A tract of low land reclaimed from the sea by of high embankments. [ Holland & Belgium]
Found on
http://www.encyclo.co.uk/webster/P/117

(Dutch) a tract of low-lying land, reclaimed from the sea, and protected by dykes. The Dutch reclaimed land by building a dyke around a lake or sea arm, and a ring canal on its outside. Water was then pumped from the lake into the ring canal (by windmills), and discharged into rivers or sea. The dried up lake then became a polder. Many Dutch live i...
Found on
http://www.seafriends.org.nz/books/glossary.htm

acronym: Polarization and Directionality of the Earth's Reflectances
Found on
https://www.encyclo.co.uk/local/20002
noun low-lying land that has been reclaimed and is protected by dikes (especially in the Netherlands)
Found on
https://www.encyclo.co.uk/local/20974

Area of flat reclaimed land that used to be covered by a river, lake, or the sea. Polders have been artificially drained and protected from flooding by building dykes. They are common in the Netherlands, where the total land area has been increased by nearly one-fifth since AD 1200. Such schemes as the Zuider Zee project have provided some of t...
Found on
https://www.encyclo.co.uk/local/21221
No exact match found.