圍墾 [围垦]

Jyutping wai4 han2
Pinyin wéi kěn

Definitions (CC-CEDICT)
  1. to reclaim land by diking
Definitions (Wiktionary)
  1. verb
    to reclaim land from marshes by building dykes; to enclose tideland for cultivation
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）