剾雞 [𠛅鸡]

Jyutping 剾 gai1
Pinyin kōu jī

Definitions (Wiktionary)
  1. noun, Hokkien, Quanzhou
    trigger (of a gun)
    (syn.) 扳机, 扳機, 铳鸡, 銃雞, 雞, 鸡