1. Low lands under the level of the sea or a river that have been drained and cultivated, and are protected by dykes.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• pylers,
• polery,
• podderr,
• polderr,
• Pouders,
• polfers,
• polers,
• oolders,
• 0olders,
• pklders,
• pllders,
• pplders,
• p0lders,
• p9lders,
• poolders,
• poldres,
• penolders,
• pholders,
• polydurg,
• Poladers

The adjective form of the word "polders" is "poldered".