"choi sum" meaning in English

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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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          "ref": "2001 April 29, Nigel Slater, “Choi rider”, in The Observer, →ISSN, archived from the original on 09 May 2014:",
          "text": "A little oval plate of steamed Chinese greens in oyster sauce interests me more than any other vegetable. Even asparagus. It could be the tender-stemmed and elegant choi sum, the purple-veined spinach or the fat, leafy bulbs of pak choi.",
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        "Alternative spelling of choy sum."
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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          "word": "choy sum"
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          "text": "A little oval plate of steamed Chinese greens in oyster sauce interests me more than any other vegetable. Even asparagus. It could be the tender-stemmed and elegant choi sum, the purple-veined spinach or the fat, leafy bulbs of pak choi.",
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        "Alternative spelling of choy sum."
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