"sacral vertebra" meaning in English

{
  "forms": [
    {
      "form": "sacral vertebrae",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "sacral vertebrae"
      },
      "expansion": "sacral vertebra (plural sacral vertebrae)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with redundant script codes",
          "parents": [
            "Terms with redundant script codes",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Anatomy",
          "orig": "en:Anatomy",
          "parents": [
            "Biology",
            "Medicine",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Skeleton",
          "orig": "en:Skeleton",
          "parents": [
            "Body parts",
            "Body",
            "Anatomy",
            "Human",
            "Biology",
            "Medicine",
            "All topics",
            "Sciences",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Any of the five vertebra that are fused to form the sacrum."
      ],
      "id": "en-sacral_vertebra-en-noun-L1AAKBl1",
      "links": [
        [
          "anatomy",
          "anatomy"
        ],
        [
          "vertebra",
          "vertebra"
        ],
        [
          "sacrum",
          "sacrum"
        ]
      ],
      "raw_glosses": [
        "(anatomy) Any of the five vertebra that are fused to form the sacrum."
      ],
      "topics": [
        "anatomy",
        "medicine",
        "sciences"
      ],
      "translations": [
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "certain vertebra",
          "word": "ristinikama"
        },
        {
          "code": "hu",
          "lang": "Hungarian",
          "sense": "certain vertebra",
          "word": "keresztcsonti csigolya"
        },
        {
          "code": "it",
          "lang": "Italian",
          "sense": "certain vertebra",
          "tags": [
            "feminine"
          ],
          "word": "vertebra sacrale"
        },
        {
          "alt": "せんつい",
          "code": "ja",
          "lang": "Japanese",
          "roman": "sentsui",
          "sense": "certain vertebra",
          "word": "仙椎"
        },
        {
          "code": "gd",
          "lang": "Scottish Gaelic",
          "sense": "certain vertebra",
          "tags": [
            "masculine"
          ],
          "word": "cnàimh liagh an droma"
        }
      ]
    }
  ],
  "word": "sacral vertebra"
}

{
  "forms": [
    {
      "form": "sacral vertebrae",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "sacral vertebrae"
      },
      "expansion": "sacral vertebra (plural sacral vertebrae)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English entries with topic categories using raw markup",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with non-redundant non-automated sortkeys",
        "Japanese terms with redundant script codes",
        "en:Anatomy",
        "en:Skeleton"
      ],
      "glosses": [
        "Any of the five vertebra that are fused to form the sacrum."
      ],
      "links": [
        [
          "anatomy",
          "anatomy"
        ],
        [
          "vertebra",
          "vertebra"
        ],
        [
          "sacrum",
          "sacrum"
        ]
      ],
      "raw_glosses": [
        "(anatomy) Any of the five vertebra that are fused to form the sacrum."
      ],
      "topics": [
        "anatomy",
        "medicine",
        "sciences"
      ]
    }
  ],
  "translations": [
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "certain vertebra",
      "word": "ristinikama"
    },
    {
      "code": "hu",
      "lang": "Hungarian",
      "sense": "certain vertebra",
      "word": "keresztcsonti csigolya"
    },
    {
      "code": "it",
      "lang": "Italian",
      "sense": "certain vertebra",
      "tags": [
        "feminine"
      ],
      "word": "vertebra sacrale"
    },
    {
      "alt": "せんつい",
      "code": "ja",
      "lang": "Japanese",
      "roman": "sentsui",
      "sense": "certain vertebra",
      "word": "仙椎"
    },
    {
      "code": "gd",
      "lang": "Scottish Gaelic",
      "sense": "certain vertebra",
      "tags": [
        "masculine"
      ],
      "word": "cnàimh liagh an droma"
    }
  ],
  "word": "sacral vertebra"
}