"fat choy" meaning in English

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  "etymology_text": "Borrowed from Cantonese 髮菜 /发菜 (faat³ coi³).",
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  "pos": "noun",
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          "name": "Blue-green algae",
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        "a blue-green alga (Nostoc flagelliforme) used as a vegetable in Chinese cooking"
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          "sense": "Nostoc flagelliforme",
          "word": "black moss"
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          "sense": "Nostoc flagelliforme",
          "word": "hair moss"
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          "word": "fa cai"
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  "word": "fat choy"
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  "word": "fat choy"
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