"New Fire ceremony" meaning in English

{
  "forms": [
    {
      "form": "New Fire ceremonies",
      "tags": [
        "plural"
      ]
    }
  ],
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        "head": "New Fire ceremony"
      },
      "expansion": "New Fire ceremony (plural New Fire ceremonies)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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          "kind": "other",
          "name": "English entries with incorrect language header",
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            "Entries with incorrect language header",
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          "name": "Mexico",
          "orig": "en:Mexico",
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            "North America",
            "America",
            "Earth",
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      "glosses": [
        "An Aztec ceremony performed once every 52 years, intended to stave off the end of the world. It involved putting out all existing fires, then starting a fire containing the heart of a human sacrifice, and transporting that fire around the city."
      ],
      "id": "en-New_Fire_ceremony-en-noun-1FicCHqv",
      "links": [
        [
          "Aztec",
          "Aztec"
        ],
        [
          "ceremony",
          "ceremony"
        ],
        [
          "heart",
          "heart"
        ],
        [
          "human sacrifice",
          "human sacrifice"
        ]
      ],
      "raw_glosses": [
        "(historical) An Aztec ceremony performed once every 52 years, intended to stave off the end of the world. It involved putting out all existing fires, then starting a fire containing the heart of a human sacrifice, and transporting that fire around the city."
      ],
      "tags": [
        "historical"
      ]
    }
  ],
  "word": "New Fire ceremony"
}

{
  "forms": [
    {
      "form": "New Fire ceremonies",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "head": "New Fire ceremony"
      },
      "expansion": "New Fire ceremony (plural New Fire ceremonies)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
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        "English countable nouns",
        "English entries with incorrect language header",
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        "English multiword terms",
        "English nouns",
        "English terms with historical senses",
        "English terms with non-redundant non-automated sortkeys",
        "en:Mexico"
      ],
      "glosses": [
        "An Aztec ceremony performed once every 52 years, intended to stave off the end of the world. It involved putting out all existing fires, then starting a fire containing the heart of a human sacrifice, and transporting that fire around the city."
      ],
      "links": [
        [
          "Aztec",
          "Aztec"
        ],
        [
          "ceremony",
          "ceremony"
        ],
        [
          "heart",
          "heart"
        ],
        [
          "human sacrifice",
          "human sacrifice"
        ]
      ],
      "raw_glosses": [
        "(historical) An Aztec ceremony performed once every 52 years, intended to stave off the end of the world. It involved putting out all existing fires, then starting a fire containing the heart of a human sacrifice, and transporting that fire around the city."
      ],
      "tags": [
        "historical"
      ]
    }
  ],
  "word": "New Fire ceremony"
}