"dark fibre" meaning in English

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      "expansion": "dark fibre (uncountable)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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      "glosses": [
        "Unused optical fibre that is available for use"
      ],
      "id": "en-dark_fibre-en-noun-GaG5-JAo",
      "links": [
        [
          "optical fibre",
          "optical fibre"
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      "synonyms": [
        {
          "word": "dark fiber"
        }
      ],
      "tags": [
        "uncountable"
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      "wikipedia": [
        "dark fibre"
      ]
    }
  ],
  "word": "dark fibre"
}

{
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      "expansion": "dark fibre (uncountable)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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      "glosses": [
        "Unused optical fibre that is available for use"
      ],
      "links": [
        [
          "optical fibre",
          "optical fibre"
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      ],
      "tags": [
        "uncountable"
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      "wikipedia": [
        "dark fibre"
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  "synonyms": [
    {
      "word": "dark fiber"
    }
  ],
  "word": "dark fibre"
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