"草那芸之大刀" meaning in Japanese

{
  "forms": [
    {
      "form": "草那芸之大刀",
      "ruby": [
        [
          "草",
          "くさ"
        ],
        [
          "那",
          "な"
        ],
        [
          "芸",
          "ぎ"
        ],
        [
          "之",
          "の"
        ],
        [
          "大",
          "た"
        ],
        [
          "刀",
          "ち"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "Kusanagi no Tachi",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "草那藝之大刀",
      "tags": [
        "alternative",
        "kanji",
        "kyūjitai"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "proper",
        "2": "^くさなぎ の ^たち"
      },
      "expansion": "草(くさ)那(な)芸(ぎ)之(の)大(た)刀(ち) • (Kusanagi no Tachi)",
      "name": "ja-pos"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "name",
  "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 6 kanji",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with missing yomi",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with multiple readings",
          "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": "Swords",
          "orig": "ja:Swords",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "synonym of 草薙剣"
      ],
      "id": "en-草那芸之大刀-ja-name-Z7Wwq9AA",
      "links": [
        [
          "草薙剣",
          "草薙剣#Japanese"
        ]
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "草薙剣"
        }
      ]
    }
  ],
  "word": "草那芸之大刀"
}

{
  "forms": [
    {
      "form": "草那芸之大刀",
      "ruby": [
        [
          "草",
          "くさ"
        ],
        [
          "那",
          "な"
        ],
        [
          "芸",
          "ぎ"
        ],
        [
          "之",
          "の"
        ],
        [
          "大",
          "た"
        ],
        [
          "刀",
          "ち"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "Kusanagi no Tachi",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "草那藝之大刀",
      "tags": [
        "alternative",
        "kanji",
        "kyūjitai"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "proper",
        "2": "^くさなぎ の ^たち"
      },
      "expansion": "草(くさ)那(な)芸(ぎ)之(の)大(た)刀(ち) • (Kusanagi no Tachi)",
      "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 first grade kanji",
        "Japanese terms spelled with fourth grade kanji",
        "Japanese terms spelled with jinmeiyō kanji",
        "Japanese terms spelled with second grade kanji",
        "Japanese terms spelled with secondary school kanji",
        "Japanese terms spelled with 之 read as の",
        "Japanese terms spelled with 刀 read as ち",
        "Japanese terms spelled with 大 read as た",
        "Japanese terms spelled with 芸 read as ぎ",
        "Japanese terms spelled with 草 read as くさ",
        "Japanese terms spelled with 那 read as な",
        "Japanese terms with 6 kanji",
        "Japanese terms with missing yomi",
        "Japanese terms with multiple readings",
        "Japanese terms with non-redundant non-automated sortkeys",
        "Japanese terms with redundant sortkeys",
        "Pages with 1 entry",
        "Pages with entries",
        "ja:Swords"
      ],
      "glosses": [
        "synonym of 草薙剣"
      ],
      "links": [
        [
          "草薙剣",
          "草薙剣#Japanese"
        ]
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "草薙剣"
        }
      ]
    }
  ],
  "word": "草那芸之大刀"
}