名詞 polder:

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

pol.der

n.（名詞）
An area of low-lying land, especially in the Netherlands, that has been reclaimed from a body of water and is protected by dikes.
圩田：填筑水體并用堤壩保護的一片地勢很低的地區(qū)，尤指位于荷蘭的

來源：
Dutch
荷蘭語
from Middle Dutch
源自 中古荷蘭語