"silver foil" meaning in English

{
  "forms": [
    {
      "form": "silver foils",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "silver foil (countable and uncountable, plural silver foils)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "Used other than figuratively or idiomatically: see silver, foil."
      ],
      "id": "en-silver_foil-en-noun-1xPOoE4S",
      "links": [
        [
          "silver",
          "silver#English"
        ],
        [
          "foil",
          "foil#English"
        ]
      ],
      "tags": [
        "countable",
        "uncountable"
      ]
    },
    {
      "categories": [
        {
          "_dis": "2 98",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "aluminium foil"
      ],
      "id": "en-silver_foil-en-noun-DvfDO4Ow",
      "links": [
        [
          "aluminium foil",
          "aluminium foil"
        ]
      ],
      "raw_glosses": [
        "(informal) aluminium foil"
      ],
      "synonyms": [
        {
          "_dis1": "36 64",
          "word": "silver paper"
        }
      ],
      "tags": [
        "countable",
        "informal",
        "uncountable"
      ]
    }
  ],
  "word": "silver foil"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English nouns",
    "English uncountable nouns"
  ],
  "forms": [
    {
      "form": "silver foils",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "silver foil (countable and uncountable, plural silver foils)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "Used other than figuratively or idiomatically: see silver, foil."
      ],
      "links": [
        [
          "silver",
          "silver#English"
        ],
        [
          "foil",
          "foil#English"
        ]
      ],
      "tags": [
        "countable",
        "uncountable"
      ]
    },
    {
      "categories": [
        "English informal terms"
      ],
      "glosses": [
        "aluminium foil"
      ],
      "links": [
        [
          "aluminium foil",
          "aluminium foil"
        ]
      ],
      "raw_glosses": [
        "(informal) aluminium foil"
      ],
      "tags": [
        "countable",
        "informal",
        "uncountable"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "silver paper"
    }
  ],
  "word": "silver foil"
}