"megadome" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "mega",
        "3": "dome"
      },
      "expansion": "mega- + dome",
      "name": "prefix"
    }
  ],
  "etymology_text": "From mega- + dome.",
  "forms": [
    {
      "form": "megadomes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "megadome (plural megadomes)",
      "name": "en-noun"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
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          "kind": "other",
          "name": "English entries with incorrect language header",
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          "source": "w"
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      "examples": [
        {
          "ref": "2015 August 20, Tom Davies, “Ashes 2015: England v Australia, fifth Test, day one – live!”, in The Guardian:",
          "text": "So, to standardise conditions, the only sensible solution is to build an indoor cricket megadome in Dubai and hold all test matches there.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A large dome-shaped building used for concerts, sports etc"
      ],
      "id": "en-megadome-en-noun-w4t-pYmu",
      "links": [
        [
          "dome",
          "dome"
        ],
        [
          "shaped",
          "shaped"
        ],
        [
          "building",
          "building"
        ],
        [
          "concert",
          "concert"
        ],
        [
          "sports",
          "sports"
        ]
      ]
    }
  ],
  "word": "megadome"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "mega",
        "3": "dome"
      },
      "expansion": "mega- + dome",
      "name": "prefix"
    }
  ],
  "etymology_text": "From mega- + dome.",
  "forms": [
    {
      "form": "megadomes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "megadome (plural megadomes)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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        "English countable nouns",
        "English entries with incorrect language header",
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        {
          "ref": "2015 August 20, Tom Davies, “Ashes 2015: England v Australia, fifth Test, day one – live!”, in The Guardian:",
          "text": "So, to standardise conditions, the only sensible solution is to build an indoor cricket megadome in Dubai and hold all test matches there.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A large dome-shaped building used for concerts, sports etc"
      ],
      "links": [
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        ],
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          "shaped",
          "shaped"
        ],
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          "building",
          "building"
        ],
        [
          "concert",
          "concert"
        ],
        [
          "sports",
          "sports"
        ]
      ]
    }
  ],
  "word": "megadome"
}