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Jyutping tyun4 tin4
Pinyin tún tián

Definitions (Wiktionary)
  1. verb, historical
    to have garrison troops or peasants open up wasteland and grow food grain (a policy pursued by feudal rulers since the Han dynasty)
  2. noun, literary
    reclaimed land
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)