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Jyutping gaai3 ku1 zi2
Pinyin jiè gū zi

Definitions (Wiktionary)
  1. noun, Gan, Mandarin, Waxiang, Xiang, dialectal
    finger ring; ring
    (syn.) 𫸩环, 鎦子, 镏子, 指环, 箍子, 彄環, 指環, 手指, 約指, 手记, 戒指, 手記, 约指