"Vacua" meaning in Latin

{
  "forms": [
    {
      "form": "Vacuae",
      "tags": [
        "genitive"
      ]
    },
    {
      "form": "no-table-tags",
      "source": "declension",
      "tags": [
        "table-tags"
      ]
    },
    {
      "form": "la-ndecl",
      "source": "declension",
      "tags": [
        "inflection-template"
      ]
    },
    {
      "form": "Vacua",
      "source": "declension",
      "tags": [
        "nominative",
        "singular"
      ]
    },
    {
      "form": "Vacuae",
      "source": "declension",
      "tags": [
        "genitive",
        "singular"
      ]
    },
    {
      "form": "Vacuae",
      "source": "declension",
      "tags": [
        "dative",
        "singular"
      ]
    },
    {
      "form": "Vacuam",
      "source": "declension",
      "tags": [
        "accusative",
        "singular"
      ]
    },
    {
      "form": "Vacuā",
      "source": "declension",
      "tags": [
        "ablative",
        "singular"
      ]
    },
    {
      "form": "Vacua",
      "source": "declension",
      "tags": [
        "singular",
        "vocative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "Vacua<1>"
      },
      "expansion": "Vacua f sg (genitive Vacuae); first declension",
      "name": "la-proper noun"
    }
  ],
  "inflection_templates": [
    {
      "args": {
        "1": "Vacua<1>"
      },
      "name": "la-ndecl"
    }
  ],
  "lang": "Latin",
  "lang_code": "la",
  "pos": "name",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Latin entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Latin feminine nouns in the first declension",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "place",
          "langcode": "la",
          "name": "Places in Portugal",
          "orig": "la:Places in Portugal",
          "parents": [
            "Places",
            "Names",
            "All topics",
            "Proper nouns",
            "Terms by semantic function",
            "Fundamental",
            "Nouns",
            "Lemmas"
          ],
          "source": "w"
        },
        {
          "kind": "place",
          "langcode": "la",
          "name": "Rivers in Portugal",
          "orig": "la:Rivers in Portugal",
          "parents": [
            "Rivers",
            "Places",
            "Bodies of water",
            "Names",
            "Landforms",
            "Water",
            "All topics",
            "Proper nouns",
            "Terms by semantic function",
            "Earth",
            "Liquids",
            "Fundamental",
            "Nouns",
            "Nature",
            "Matter",
            "Lemmas",
            "Chemistry",
            "Sciences"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "sense": "Portuguese",
          "word": "Vouga"
        },
        {
          "sense": "Portuguese",
          "word": "⇒ Vouzela"
        }
      ],
      "glosses": [
        "A river in Portugal; modern Vouga."
      ],
      "id": "en-Vacua-la-name-gCfdED32",
      "links": [
        [
          "Portugal",
          "Portugal#English"
        ],
        [
          "Vouga",
          "Vouga#English"
        ]
      ],
      "synonyms": [
        {
          "word": "Vagia"
        }
      ],
      "tags": [
        "declension-1",
        "feminine",
        "singular"
      ]
    }
  ],
  "word": "Vacua"
}

{
  "derived": [
    {
      "sense": "Portuguese",
      "word": "Vouga"
    },
    {
      "sense": "Portuguese",
      "word": "⇒ Vouzela"
    }
  ],
  "forms": [
    {
      "form": "Vacuae",
      "tags": [
        "genitive"
      ]
    },
    {
      "form": "no-table-tags",
      "source": "declension",
      "tags": [
        "table-tags"
      ]
    },
    {
      "form": "la-ndecl",
      "source": "declension",
      "tags": [
        "inflection-template"
      ]
    },
    {
      "form": "Vacua",
      "source": "declension",
      "tags": [
        "nominative",
        "singular"
      ]
    },
    {
      "form": "Vacuae",
      "source": "declension",
      "tags": [
        "genitive",
        "singular"
      ]
    },
    {
      "form": "Vacuae",
      "source": "declension",
      "tags": [
        "dative",
        "singular"
      ]
    },
    {
      "form": "Vacuam",
      "source": "declension",
      "tags": [
        "accusative",
        "singular"
      ]
    },
    {
      "form": "Vacuā",
      "source": "declension",
      "tags": [
        "ablative",
        "singular"
      ]
    },
    {
      "form": "Vacua",
      "source": "declension",
      "tags": [
        "singular",
        "vocative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "Vacua<1>"
      },
      "expansion": "Vacua f sg (genitive Vacuae); first declension",
      "name": "la-proper noun"
    }
  ],
  "inflection_templates": [
    {
      "args": {
        "1": "Vacua<1>"
      },
      "name": "la-ndecl"
    }
  ],
  "lang": "Latin",
  "lang_code": "la",
  "pos": "name",
  "senses": [
    {
      "categories": [
        "Latin entries with incorrect language header",
        "Latin feminine nouns",
        "Latin feminine nouns in the first declension",
        "Latin first declension nouns",
        "Latin lemmas",
        "Latin nouns with red links in their inflection tables",
        "Latin proper nouns",
        "la:Places in Portugal",
        "la:Rivers in Portugal"
      ],
      "glosses": [
        "A river in Portugal; modern Vouga."
      ],
      "links": [
        [
          "Portugal",
          "Portugal#English"
        ],
        [
          "Vouga",
          "Vouga#English"
        ]
      ],
      "tags": [
        "declension-1",
        "feminine",
        "singular"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "Vagia"
    }
  ],
  "word": "Vacua"
}