"央州" meaning in Japanese

{
  "forms": [
    {
      "form": "央州",
      "ruby": [
        [
          "央",
          "おう"
        ],
        [
          "州",
          "しゅう"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "Ōshū",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "ausiu",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "あうしう",
      "roman": "ausiu",
      "tags": [
        "hiragana",
        "historical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "proper",
        "2": "おうしゅう",
        "hhira": "あうしう"
      },
      "expansion": "央(おう)州(しゅう) • (Ōshū) ^(←あうしう (ausiu)?)",
      "name": "ja-pos"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "name",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Japanese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant alt parameters",
          "parents": [
            "Links with redundant alt parameters",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant wikilinks",
          "parents": [
            "Links with redundant wikilinks",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with redundant sortkeys",
          "parents": [
            "Terms with redundant sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "place",
          "langcode": "ja",
          "name": "Oregon, USA",
          "orig": "ja:Oregon, USA",
          "parents": [
            "United States",
            "North America",
            "America",
            "Earth",
            "Nature",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "place",
          "langcode": "ja",
          "name": "Places in the United States",
          "orig": "ja:Places in the United States",
          "parents": [
            "Places",
            "Names",
            "All topics",
            "Proper nouns",
            "Terms by semantic function",
            "Fundamental",
            "Nouns",
            "Lemmas"
          ],
          "source": "w"
        },
        {
          "kind": "place",
          "langcode": "ja",
          "name": "States of the United States",
          "orig": "ja:States of the United States",
          "parents": [
            "States",
            "Places",
            "Political subdivisions",
            "Names",
            "Polities",
            "All topics",
            "Proper nouns",
            "Terms by semantic function",
            "Fundamental",
            "Nouns",
            "Lemmas"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Oregon (a state of the United States)"
      ],
      "id": "en-央州-ja-name-y0TrJGxI",
      "links": [
        [
          "Oregon",
          "Oregon#English"
        ],
        [
          "United States",
          "United States#English"
        ]
      ],
      "raw_glosses": [
        "(obsolete) Oregon (a state of the United States)"
      ],
      "synonyms": [
        {
          "roman": "Oregon-shū",
          "ruby": [
            [
              "州",
              "しゅう"
            ]
          ],
          "word": "オレゴン州"
        }
      ],
      "tags": [
        "obsolete"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[o̞ːɕɨᵝː]"
    }
  ],
  "word": "央州"
}

{
  "forms": [
    {
      "form": "央州",
      "ruby": [
        [
          "央",
          "おう"
        ],
        [
          "州",
          "しゅう"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "Ōshū",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "ausiu",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "あうしう",
      "roman": "ausiu",
      "tags": [
        "hiragana",
        "historical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "proper",
        "2": "おうしゅう",
        "hhira": "あうしう"
      },
      "expansion": "央(おう)州(しゅう) • (Ōshū) ^(←あうしう (ausiu)?)",
      "name": "ja-pos"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "name",
  "senses": [
    {
      "categories": [
        "Japanese entries with incorrect language header",
        "Japanese lemmas",
        "Japanese links with redundant alt parameters",
        "Japanese links with redundant wikilinks",
        "Japanese proper nouns",
        "Japanese terms spelled with third grade kanji",
        "Japanese terms with IPA pronunciation",
        "Japanese terms with obsolete senses",
        "Japanese terms with redundant sortkeys",
        "Japanese terms written with two Han script characters",
        "ja:Oregon, USA",
        "ja:Places in the United States",
        "ja:States of the United States"
      ],
      "glosses": [
        "Oregon (a state of the United States)"
      ],
      "links": [
        [
          "Oregon",
          "Oregon#English"
        ],
        [
          "United States",
          "United States#English"
        ]
      ],
      "raw_glosses": [
        "(obsolete) Oregon (a state of the United States)"
      ],
      "tags": [
        "obsolete"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[o̞ːɕɨᵝː]"
    }
  ],
  "synonyms": [
    {
      "roman": "Oregon-shū",
      "ruby": [
        [
          "州",
          "しゅう"
        ]
      ],
      "word": "オレゴン州"
    }
  ],
  "word": "央州"
}

{
  "called_from": "parser/304",
  "msg": "HTML tag <span> not properly closed",
  "path": [
    "央州"
  ],
  "section": "Japanese",
  "subsection": "proper noun",
  "title": "央州",
  "trace": "started on line 2, detected on line 2"
}

{
  "called_from": "parser/1336",
  "msg": "no corresponding start tag found for </span>",
  "path": [
    "央州"
  ],
  "section": "Japanese",
  "subsection": "proper noun",
  "title": "央州",
  "trace": ""
}