"海豚座" meaning in Japanese

{
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        "2": "海豚"
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      "expansion": "海豚",
      "name": "m"
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      "args": {
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        "2": "熟字訓"
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      "args": {
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        "2": "海豚座"
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    },
    {
      "args": {},
      "expansion": "jukujikun (熟字訓)",
      "name": "juku"
    }
  ],
  "etymology_text": "海豚 is jukujikun (熟字訓).",
  "forms": [
    {
      "form": "海豚座",
      "ruby": [
        [
          "海豚座",
          "いるかざ"
        ]
      ],
      "tags": [
        "canonical"
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    },
    {
      "form": "Irukaza",
      "tags": [
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  "head_templates": [
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      "args": {
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      "expansion": "海豚座(いるかざ) • (Irukaza)",
      "name": "ja-pos"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "name",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "Delphinus",
          "word": "いるか座"
        }
      ],
      "categories": [
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          "parents": [
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      ],
      "glosses": [
        "Alternative spelling of いるか座 (“Delphinus”)"
      ],
      "id": "en-海豚座-ja-name-4AIlJpEo",
      "links": [
        [
          "いるか座",
          "いるか座#Japanese"
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          "Delphinus"
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      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "海豚座"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "ja",
        "2": "海豚"
      },
      "expansion": "海豚",
      "name": "m"
    },
    {
      "args": {
        "1": "ja",
        "2": "熟字訓"
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      "expansion": "熟字訓",
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    {
      "args": {
        "1": "ja",
        "2": "海豚座"
      },
      "expansion": "いるかさ'",
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    },
    {
      "args": {},
      "expansion": "jukujikun (熟字訓)",
      "name": "juku"
    }
  ],
  "etymology_text": "海豚 is jukujikun (熟字訓).",
  "forms": [
    {
      "form": "海豚座",
      "ruby": [
        [
          "海豚座",
          "いるかざ"
        ]
      ],
      "tags": [
        "canonical"
      ]
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      "form": "Irukaza",
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  "head_templates": [
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      "args": {
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      "expansion": "海豚座(いるかざ) • (Irukaza)",
      "name": "ja-pos"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "name",
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          "extra": "Delphinus",
          "word": "いるか座"
        }
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        "Japanese terms spelled with second grade kanji",
        "Japanese terms spelled with secondary school kanji",
        "Japanese terms spelled with sixth grade kanji",
        "Japanese terms with non-redundant non-automated sortkeys",
        "Japanese terms with redundant sortkeys",
        "Japanese terms written with three Han script characters"
      ],
      "glosses": [
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      ],
      "links": [
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  "word": "海豚座"
}

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