"Marie Byrd Land" meaning in English

{
  "etymology_text": "Named by Richard E. Byrd, who first explored this area, in honor of his wife.",
  "head_templates": [
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      "expansion": "Marie Byrd Land",
      "name": "en-proper noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
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          "source": "w"
        },
        {
          "kind": "place",
          "langcode": "en",
          "name": "Regions of Antarctica",
          "orig": "en:Regions of Antarctica",
          "parents": [
            "Regions",
            "Places",
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            "Polities",
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            "Proper nouns",
            "Terms by semantic function",
            "Fundamental",
            "Nouns",
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          "source": "w"
        }
      ],
      "glosses": [
        "A region in western Antarctica, between latitudes 158°W and 103°24'W, considered terra nullius as it is largely unclaimed by any country."
      ],
      "id": "en-Marie_Byrd_Land-en-name-mDK4uKap",
      "links": [
        [
          "Antarctica",
          "Antarctica#English"
        ],
        [
          "terra nullius",
          "terra nullius"
        ]
      ],
      "related": [
        {
          "word": "Bir Tawil"
        },
        {
          "word": "Gornja Siga"
        }
      ],
      "wikipedia": [
        "en:Marie Byrd Land",
        "en:Richard E. Byrd"
      ]
    }
  ],
  "word": "Marie Byrd Land"
}

{
  "etymology_text": "Named by Richard E. Byrd, who first explored this area, in honor of his wife.",
  "head_templates": [
    {
      "args": {
        "head": "Marie Byrd Land"
      },
      "expansion": "Marie Byrd Land",
      "name": "en-proper noun"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "related": [
    {
      "word": "Bir Tawil"
    },
    {
      "word": "Gornja Siga"
    }
  ],
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English eponyms",
        "English lemmas",
        "English multiword terms",
        "English proper nouns",
        "English uncountable nouns",
        "en:Regions of Antarctica"
      ],
      "glosses": [
        "A region in western Antarctica, between latitudes 158°W and 103°24'W, considered terra nullius as it is largely unclaimed by any country."
      ],
      "links": [
        [
          "Antarctica",
          "Antarctica#English"
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        [
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          "terra nullius"
        ]
      ],
      "wikipedia": [
        "en:Marie Byrd Land",
        "en:Richard E. Byrd"
      ]
    }
  ],
  "word": "Marie Byrd Land"
}