"birotunda" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "bi",
        "3": "rotunda"
      },
      "expansion": "bi- + rotunda",
      "name": "prefix"
    }
  ],
  "etymology_text": "From bi- + rotunda.",
  "forms": [
    {
      "form": "birotundas",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "birotunda (plural birotundas)",
      "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 terms prefixed with bi-",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Architectural elements",
          "orig": "en:Architectural elements",
          "parents": [
            "Architecture",
            "Applied sciences",
            "Art",
            "Sciences",
            "Culture",
            "All topics",
            "Society",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A structure made of two adjoined rotundas."
      ],
      "id": "en-birotunda-en-noun-ERXbUNi2",
      "links": [
        [
          "structure",
          "structure"
        ],
        [
          "rotunda",
          "rotunda"
        ]
      ]
    }
  ],
  "word": "birotunda"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "bi",
        "3": "rotunda"
      },
      "expansion": "bi- + rotunda",
      "name": "prefix"
    }
  ],
  "etymology_text": "From bi- + rotunda.",
  "forms": [
    {
      "form": "birotundas",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "birotunda (plural birotundas)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms prefixed with bi-",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Architectural elements"
      ],
      "glosses": [
        "A structure made of two adjoined rotundas."
      ],
      "links": [
        [
          "structure",
          "structure"
        ],
        [
          "rotunda",
          "rotunda"
        ]
      ]
    }
  ],
  "word": "birotunda"
}