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Jyutping cou3 gaau1
Pinyin cuò jiāo

Definitions (Wiktionary)
  1. noun, Hokkien, Xiamen
    foot of a wall
    (syn.) 墙跤, 牆腳, 墙脚, 牆跤, 牆根, 墙根
  2. noun, Taiwanese-Hokkien, Xiamen
    tenant; lodger