"Lost Dakota" meaning in English

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  "lang_code": "en",
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          "kind": "other",
          "name": "American English",
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        {
          "kind": "place",
          "langcode": "en",
          "name": "Idaho, USA",
          "orig": "en:Idaho, USA",
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            "United States",
            "North America",
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        {
          "kind": "place",
          "langcode": "en",
          "name": "Montana, USA",
          "orig": "en:Montana, USA",
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            "North America",
            "America",
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        {
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          "name": "Wyoming, USA",
          "orig": "en:Wyoming, USA",
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      "glosses": [
        "A small, uninhabited portion of land that was left over after the division and organization of the large former Dakota Territory remnants into five new states in the late 19th century, which was overlooked by the federal government for years. It was located at the tripoint between the current states of Idaho, Wyoming, and Montana."
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      "id": "en-Lost_Dakota-en-name-BXk~YXzg",
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          "uninhabited",
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        [
          "Dakota",
          "Dakota"
        ],
        [
          "tripoint",
          "tripoint"
        ],
        [
          "Idaho",
          "Idaho"
        ],
        [
          "Wyoming",
          "Wyoming"
        ],
        [
          "Montana",
          "Montana"
        ]
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      "raw_glosses": [
        "(historical, US) A small, uninhabited portion of land that was left over after the division and organization of the large former Dakota Territory remnants into five new states in the late 19th century, which was overlooked by the federal government for years. It was located at the tripoint between the current states of Idaho, Wyoming, and Montana."
      ],
      "tags": [
        "US",
        "historical"
      ],
      "wikipedia": [
        "Lost Dakota"
      ]
    }
  ],
  "word": "Lost Dakota"
}

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        "American English",
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        "en:Idaho, USA",
        "en:Montana, USA",
        "en:Wyoming, USA"
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      "glosses": [
        "A small, uninhabited portion of land that was left over after the division and organization of the large former Dakota Territory remnants into five new states in the late 19th century, which was overlooked by the federal government for years. It was located at the tripoint between the current states of Idaho, Wyoming, and Montana."
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          "Montana",
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        "(historical, US) A small, uninhabited portion of land that was left over after the division and organization of the large former Dakota Territory remnants into five new states in the late 19th century, which was overlooked by the federal government for years. It was located at the tripoint between the current states of Idaho, Wyoming, and Montana."
      ],
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      "wikipedia": [
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