"琉球" meaning in Okinawan

{
  "forms": [
    {
      "form": "琉球",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "Rūchū",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "Dūchū",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "ちゅーちゅー",
      "tags": [
        "hiragana"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "proper noun",
        "2": "るーちゅー",
        "3": "どぅーちゅー"
      },
      "expansion": "琉(るー)球(ちゅー) or 琉(どぅー)球(ちゅー) (Rūchū or Dūchū)",
      "name": "ryu-head"
    }
  ],
  "lang": "Okinawan",
  "lang_code": "ryu",
  "pos": "name",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Okinawan entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Okinawan terms read with on'yomi",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Okinawan terms with 2 kanji",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Okinawan terms with multiple readings",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Okinawan terms with non-redundant non-automated sortkeys",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Okinawan terms with redundant sortkeys",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 4 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "ryu",
          "name": "Islands",
          "orig": "ryu:Islands",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "ryu",
          "name": "Japan",
          "orig": "ryu:Japan",
          "parents": [],
          "source": "w"
        },
        {
          "_dis": "11 7 19 1 7 1 14 32 4 3",
          "kind": "other",
          "name": "Pages with 4 entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "10 7 17 1 12 1 12 31 6 5",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "Ryukyu, pertaining to the Ryukyu Islands or the former Ryukyu Kingdom"
      ],
      "id": "en-琉球-ryu-name-HlFX4Wat",
      "links": [
        [
          "Ryukyu",
          "Ryukyu"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ɾuːt͡ɕuː/"
    },
    {
      "ipa": "/duːt͡ɕuː/"
    },
    {
      "ipa": "/luːt͡ɕuː/"
    }
  ],
  "word": "琉球"
}

{
  "categories": [
    "Pages with 4 entries",
    "Pages with entries"
  ],
  "forms": [
    {
      "form": "琉球",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "Rūchū",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "Dūchū",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "ちゅーちゅー",
      "tags": [
        "hiragana"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "proper noun",
        "2": "るーちゅー",
        "3": "どぅーちゅー"
      },
      "expansion": "琉(るー)球(ちゅー) or 琉(どぅー)球(ちゅー) (Rūchū or Dūchū)",
      "name": "ryu-head"
    }
  ],
  "lang": "Okinawan",
  "lang_code": "ryu",
  "pos": "name",
  "senses": [
    {
      "categories": [
        "Okinawan entries with incorrect language header",
        "Okinawan lemmas",
        "Okinawan proper nouns",
        "Okinawan terms read with on'yomi",
        "Okinawan terms spelled with jinmeiyō kanji",
        "Okinawan terms spelled with third grade kanji",
        "Okinawan terms spelled with 球 read as ちゅー",
        "Okinawan terms spelled with 琉 read as どぅー",
        "Okinawan terms spelled with 琉 read as るー",
        "Okinawan terms with 2 kanji",
        "Okinawan terms with multiple readings",
        "Okinawan terms with non-redundant non-automated sortkeys",
        "Okinawan terms with redundant sortkeys",
        "Pages with 4 entries",
        "Pages with entries",
        "ryu:Islands",
        "ryu:Japan"
      ],
      "glosses": [
        "Ryukyu, pertaining to the Ryukyu Islands or the former Ryukyu Kingdom"
      ],
      "links": [
        [
          "Ryukyu",
          "Ryukyu"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ɾuːt͡ɕuː/"
    },
    {
      "ipa": "/duːt͡ɕuː/"
    },
    {
      "ipa": "/luːt͡ɕuː/"
    }
  ],
  "word": "琉球"
}