"green caviar" meaning in English

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      "expansion": "green caviar (uncountable)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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          "langcode": "en",
          "name": "Green algae",
          "orig": "en:Green algae",
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          "ref": "2013, Fodor's Hong Kong: with a Side Trip to Macau:",
          "text": "Start with the umi-budo—an interesting variety of sea kelp shaped like bunches of grapes (the bubble-like appearance has also won it its “green caviar” nickname).",
          "type": "quotation"
        }
      ],
      "glosses": [
        "The edible seaweed Caulerpa lentillifera."
      ],
      "id": "en-green_caviar-en-noun-gGRRS97N",
      "links": [
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          "edible",
          "edible"
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          "seaweed",
          "seaweed"
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      "tags": [
        "uncountable"
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      "translations": [
        {
          "code": "bg",
          "lang": "Bulgarian",
          "lang_code": "bg",
          "roman": "zelen hajver",
          "sense": "Caulerpa lentillifera",
          "tags": [
            "masculine"
          ],
          "word": "зелен хайвер"
        }
      ]
    }
  ],
  "word": "green caviar"
}

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  "lang_code": "en",
  "pos": "noun",
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          "type": "quotation"
        }
      ],
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        "The edible seaweed Caulerpa lentillifera."
      ],
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  "translations": [
    {
      "code": "bg",
      "lang": "Bulgarian",
      "lang_code": "bg",
      "roman": "zelen hajver",
      "sense": "Caulerpa lentillifera",
      "tags": [
        "masculine"
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      "word": "зелен хайвер"
    }
  ],
  "word": "green caviar"
}