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Jyutping gwai3 zi1
Pinyin guì zhī

Definitions (CC-CEDICT)
  1. cinnamon (Ramulus Cinnamomi)
Definitions (粵典–words.hk)
  1. 名詞
    一種​中藥​,​係​肉桂​嘅​嫩枝
    Cinnamomi Ramulus, a common Chinese medicine herb
  2. 名詞、俚語
    即​係​香港​(​據講​係​因為​「​香​」​即​係​死​,​所以​有​啲​人會​避忌​)
    an obsolete euphemism for Hong Kong, since the first syllable of the name (香 hoeng1) is another word for "die"; literally, a joss stick
    • 桂枝仔
      桂枝仔
      gwai3 zi1 zai2
      a person from Hong Kong
Definitions (Wiktionary)
  1. noun
    twig of the cinnamon tree (An herb used in traditional Chinese medicine as a "stomach tonic".)
Examples (粵典–words.hk)
  1. Cantonese
    你香港嚟㗎?咁咪系桂枝仔啰。
    你香港嚟㗎?咁咪係桂枝仔囉。
    nei5 hoeng1 gong2 lai4 gaa3? gam2 mai6 hai6 gwai3 zi1 zai2 lo1.
    • You are from Hong Kong? Then you are a HongKonger.
  2. Cantonese
    桂枝仔
    桂枝仔
    gwai3 zi1 zai2
    • a person from Hong Kong