交釘 [－钉]

Jyutping gaau1 deng1
Pinyin jiāo dīng

Definitions (Wiktionary)
  1. noun, Min-Nan
    cramp used in mending pottery or crockery
    (syn.) 锔子, 鋦子
  2. verb, Zhangzhou-Hokkien
    to lay interlocking bricks where two walls link