"rockfoil" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "rock",
        "3": "foil"
      },
      "expansion": "rock + foil",
      "name": "compound"
    }
  ],
  "etymology_text": "rock + foil",
  "forms": [
    {
      "form": "rockfoils",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
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      "expansion": "rockfoil (countable and uncountable, plural rockfoils)",
      "name": "en-noun"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
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          "parents": [
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          "source": "w"
        },
        {
          "kind": "lifeform",
          "langcode": "en",
          "name": "Stonecrop family plants",
          "orig": "en:Stonecrop family plants",
          "parents": [
            "Saxifragales order plants",
            "Succulents",
            "Plants",
            "Shrubs",
            "Trees",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "saxifrage"
      ],
      "id": "en-rockfoil-en-noun-p0A44Yua",
      "links": [
        [
          "saxifrage",
          "saxifrage"
        ]
      ],
      "tags": [
        "countable",
        "uncountable"
      ]
    }
  ],
  "word": "rockfoil"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "rock",
        "3": "foil"
      },
      "expansion": "rock + foil",
      "name": "compound"
    }
  ],
  "etymology_text": "rock + foil",
  "forms": [
    {
      "form": "rockfoils",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
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      "expansion": "rockfoil (countable and uncountable, plural rockfoils)",
      "name": "en-noun"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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        "English countable nouns",
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        "en:Stonecrop family plants"
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      "glosses": [
        "saxifrage"
      ],
      "links": [
        [
          "saxifrage",
          "saxifrage"
        ]
      ],
      "tags": [
        "countable",
        "uncountable"
      ]
    }
  ],
  "word": "rockfoil"
}