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Jyutping gau2 zi2 lin4 waan4
Pinyin jiǔ zi lián huán

Definitions (Wiktionary)
  1. noun, Cantonese
    Pure Nine Gates; a winning hand formed by a player having collected tiles in the exact form of 1112345678999 of the same suit without melding, and completing with any one tile of that suit
  2. noun, Cantonese
    Nine Gates; a winning hand with tiles in the form of 1112345678999 and any one tile of the same suit without melding

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Jyutping gau2 zi2 lin4 waan4
Pinyin jiǔ zǐ lián huán

Definitions (CC-CANTO)
  1. one type of winning hands in the game of Mahjong