"大静脈" meaning in Japanese

{
  "forms": [
    {
      "form": "大静脈",
      "ruby": [
        [
          "大",
          "だい"
        ],
        [
          "静",
          "じょう"
        ],
        [
          "脈",
          "みゃく"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "daijōmyaku",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "daizyaumyaku",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "だいじやうみやく",
      "roman": "daizyaumyaku",
      "tags": [
        "hiragana",
        "historical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "だいじょうみゃく",
        "hhira": "だいじやうみやく"
      },
      "expansion": "大(だい)静(じょう)脈(みゃく) • (daijōmyaku) ^(←だいじやうみやく (daizyaumyaku)?)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Japanese entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant alt parameters",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant wikilinks",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with 3 kanji",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with non-redundant non-automated sortkeys",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with redundant sortkeys",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "ja",
          "name": "Anatomy",
          "orig": "ja:Anatomy",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "vena cava"
      ],
      "id": "en-大静脈-ja-noun-PWiarJM7",
      "links": [
        [
          "anatomy",
          "anatomy"
        ],
        [
          "vena cava",
          "vena cava"
        ]
      ],
      "raw_glosses": [
        "(anatomy) vena cava"
      ],
      "topics": [
        "anatomy",
        "medicine",
        "sciences"
      ]
    }
  ],
  "sounds": [
    {
      "other": "だいじょーみゃく"
    },
    {
      "ipa": "[da̠iʑo̞ːmʲa̠kɯ̟]"
    }
  ],
  "word": "大静脈"
}

{
  "forms": [
    {
      "form": "大静脈",
      "ruby": [
        [
          "大",
          "だい"
        ],
        [
          "静",
          "じょう"
        ],
        [
          "脈",
          "みゃく"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "daijōmyaku",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "daizyaumyaku",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "だいじやうみやく",
      "roman": "daizyaumyaku",
      "tags": [
        "hiragana",
        "historical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "だいじょうみゃく",
        "hhira": "だいじやうみやく"
      },
      "expansion": "大(だい)静(じょう)脈(みゃく) • (daijōmyaku) ^(←だいじやうみやく (daizyaumyaku)?)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Japanese entries with incorrect language header",
        "Japanese lemmas",
        "Japanese links with redundant alt parameters",
        "Japanese links with redundant wikilinks",
        "Japanese nouns",
        "Japanese terms spelled with fifth grade kanji",
        "Japanese terms spelled with first grade kanji",
        "Japanese terms spelled with fourth grade kanji",
        "Japanese terms with 3 kanji",
        "Japanese terms with IPA pronunciation",
        "Japanese terms with non-redundant non-automated sortkeys",
        "Japanese terms with redundant sortkeys",
        "Pages with 1 entry",
        "Pages with entries",
        "ja:Anatomy"
      ],
      "glosses": [
        "vena cava"
      ],
      "links": [
        [
          "anatomy",
          "anatomy"
        ],
        [
          "vena cava",
          "vena cava"
        ]
      ],
      "raw_glosses": [
        "(anatomy) vena cava"
      ],
      "topics": [
        "anatomy",
        "medicine",
        "sciences"
      ]
    }
  ],
  "sounds": [
    {
      "other": "だいじょーみゃく"
    },
    {
      "ipa": "[da̠iʑo̞ːmʲa̠kɯ̟]"
    }
  ],
  "word": "大静脈"
}