"porcelain shell" meaning in English

{
  "forms": [
    {
      "form": "porcelain shells",
      "tags": [
        "plural"
      ]
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  ],
  "head_templates": [
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      "args": {},
      "expansion": "porcelain shell (plural porcelain shells)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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        {
          "kind": "lifeform",
          "langcode": "en",
          "name": "Littorinimorphs",
          "orig": "en:Littorinimorphs",
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      "examples": [
        {
          "ref": "2011, Norman Davies, Vanished Kingdoms, Penguin, published 2012, page 199:",
          "text": "It was equally the entry point for rare commodities – oriental spices, gold and ‘porcelain’ shells.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A cowrie."
      ],
      "id": "en-porcelain_shell-en-noun-~NchkBWe",
      "links": [
        [
          "cowrie",
          "cowrie"
        ]
      ]
    }
  ],
  "word": "porcelain shell"
}

{
  "forms": [
    {
      "form": "porcelain shells",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "porcelain shell (plural porcelain shells)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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      "examples": [
        {
          "ref": "2011, Norman Davies, Vanished Kingdoms, Penguin, published 2012, page 199:",
          "text": "It was equally the entry point for rare commodities – oriental spices, gold and ‘porcelain’ shells.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A cowrie."
      ],
      "links": [
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      ]
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  ],
  "word": "porcelain shell"
}