"feria quarta" meaning in Latin

{
  "descendants": [
    {
      "lang": "Mirandese",
      "lang_code": "mwl",
      "word": "quarta-feira"
    },
    {
      "descendants": [
        {
          "lang": "Galician",
          "lang_code": "gl",
          "word": "cuarta feira"
        },
        {
          "lang": "Galician",
          "lang_code": "gl",
          "word": "corta feira"
        },
        {
          "lang": "Portuguese",
          "lang_code": "pt",
          "word": "quarta-feira"
        }
      ],
      "lang": "Old Galician-Portuguese",
      "lang_code": "roa-opt",
      "word": "quarta feira"
    }
  ],
  "etymology_text": "Literally, “fourth holy day”.",
  "forms": [
    {
      "form": "fēria quārta",
      "tags": [
        "canonical",
        "feminine"
      ]
    },
    {
      "form": "fēriae quārtae",
      "tags": [
        "genitive"
      ]
    },
    {
      "form": "no-table-tags",
      "source": "declension",
      "tags": [
        "table-tags"
      ]
    },
    {
      "form": "la-ndecl",
      "source": "declension",
      "tags": [
        "inflection-template"
      ]
    },
    {
      "form": "fēria quārta",
      "source": "declension",
      "tags": [
        "nominative",
        "singular"
      ]
    },
    {
      "form": "fēriae quārtae",
      "source": "declension",
      "tags": [
        "nominative",
        "plural"
      ]
    },
    {
      "form": "fēriae quārtae",
      "source": "declension",
      "tags": [
        "genitive",
        "singular"
      ]
    },
    {
      "form": "fēriārum quārtārum",
      "source": "declension",
      "tags": [
        "genitive",
        "plural"
      ]
    },
    {
      "form": "fēriae quārtae",
      "source": "declension",
      "tags": [
        "dative",
        "singular"
      ]
    },
    {
      "form": "fēriīs quārtīs",
      "source": "declension",
      "tags": [
        "dative",
        "plural"
      ]
    },
    {
      "form": "fēriam quārtam",
      "source": "declension",
      "tags": [
        "accusative",
        "singular"
      ]
    },
    {
      "form": "fēriās quārtās",
      "source": "declension",
      "tags": [
        "accusative",
        "plural"
      ]
    },
    {
      "form": "fēriā quārtā",
      "source": "declension",
      "tags": [
        "ablative",
        "singular"
      ]
    },
    {
      "form": "fēriīs quārtīs",
      "source": "declension",
      "tags": [
        "ablative",
        "plural"
      ]
    },
    {
      "form": "fēria quārta",
      "source": "declension",
      "tags": [
        "singular",
        "vocative"
      ]
    },
    {
      "form": "fēriae quārtae",
      "source": "declension",
      "tags": [
        "plural",
        "vocative"
      ]
    },
    {
      "form": "quārta fēria",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "fēria<1> quārta<+>"
      },
      "expansion": "fēria quārta f (genitive fēriae quārtae); first declension",
      "name": "la-noun"
    }
  ],
  "inflection_templates": [
    {
      "args": {
        "1": "fēria<1> quārta<+>"
      },
      "name": "la-ndecl"
    }
  ],
  "lang": "Latin",
  "lang_code": "la",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Ecclesiastical Latin",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Latin entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Latin feminine nouns in the first declension",
          "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": "la",
          "name": "Days of the week",
          "orig": "la:Days of the week",
          "parents": [],
          "source": "w"
        }
      ],
      "derived": [
        {
          "english": "Ash Wednesday",
          "translation": "Ash Wednesday",
          "word": "fēria quārta cinerum"
        }
      ],
      "glosses": [
        "Wednesday"
      ],
      "id": "en-feria_quarta-la-noun-wKbMgpzQ",
      "links": [
        [
          "Wednesday",
          "Wednesday"
        ]
      ],
      "raw_glosses": [
        "(Ecclesiastical Latin) Wednesday"
      ],
      "synonyms": [
        {
          "word": "diēs Mercuriī"
        }
      ],
      "tags": [
        "Ecclesiastical",
        "Latin",
        "declension-1"
      ]
    }
  ],
  "word": "feria quarta"
}

{
  "derived": [
    {
      "english": "Ash Wednesday",
      "translation": "Ash Wednesday",
      "word": "fēria quārta cinerum"
    }
  ],
  "descendants": [
    {
      "lang": "Mirandese",
      "lang_code": "mwl",
      "word": "quarta-feira"
    },
    {
      "descendants": [
        {
          "lang": "Galician",
          "lang_code": "gl",
          "word": "cuarta feira"
        },
        {
          "lang": "Galician",
          "lang_code": "gl",
          "word": "corta feira"
        },
        {
          "lang": "Portuguese",
          "lang_code": "pt",
          "word": "quarta-feira"
        }
      ],
      "lang": "Old Galician-Portuguese",
      "lang_code": "roa-opt",
      "word": "quarta feira"
    }
  ],
  "etymology_text": "Literally, “fourth holy day”.",
  "forms": [
    {
      "form": "fēria quārta",
      "tags": [
        "canonical",
        "feminine"
      ]
    },
    {
      "form": "fēriae quārtae",
      "tags": [
        "genitive"
      ]
    },
    {
      "form": "no-table-tags",
      "source": "declension",
      "tags": [
        "table-tags"
      ]
    },
    {
      "form": "la-ndecl",
      "source": "declension",
      "tags": [
        "inflection-template"
      ]
    },
    {
      "form": "fēria quārta",
      "source": "declension",
      "tags": [
        "nominative",
        "singular"
      ]
    },
    {
      "form": "fēriae quārtae",
      "source": "declension",
      "tags": [
        "nominative",
        "plural"
      ]
    },
    {
      "form": "fēriae quārtae",
      "source": "declension",
      "tags": [
        "genitive",
        "singular"
      ]
    },
    {
      "form": "fēriārum quārtārum",
      "source": "declension",
      "tags": [
        "genitive",
        "plural"
      ]
    },
    {
      "form": "fēriae quārtae",
      "source": "declension",
      "tags": [
        "dative",
        "singular"
      ]
    },
    {
      "form": "fēriīs quārtīs",
      "source": "declension",
      "tags": [
        "dative",
        "plural"
      ]
    },
    {
      "form": "fēriam quārtam",
      "source": "declension",
      "tags": [
        "accusative",
        "singular"
      ]
    },
    {
      "form": "fēriās quārtās",
      "source": "declension",
      "tags": [
        "accusative",
        "plural"
      ]
    },
    {
      "form": "fēriā quārtā",
      "source": "declension",
      "tags": [
        "ablative",
        "singular"
      ]
    },
    {
      "form": "fēriīs quārtīs",
      "source": "declension",
      "tags": [
        "ablative",
        "plural"
      ]
    },
    {
      "form": "fēria quārta",
      "source": "declension",
      "tags": [
        "singular",
        "vocative"
      ]
    },
    {
      "form": "fēriae quārtae",
      "source": "declension",
      "tags": [
        "plural",
        "vocative"
      ]
    },
    {
      "form": "quārta fēria",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "fēria<1> quārta<+>"
      },
      "expansion": "fēria quārta f (genitive fēriae quārtae); first declension",
      "name": "la-noun"
    }
  ],
  "inflection_templates": [
    {
      "args": {
        "1": "fēria<1> quārta<+>"
      },
      "name": "la-ndecl"
    }
  ],
  "lang": "Latin",
  "lang_code": "la",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Ecclesiastical Latin",
        "Latin entries with incorrect language header",
        "Latin feminine nouns",
        "Latin feminine nouns in the first declension",
        "Latin first declension nouns",
        "Latin lemmas",
        "Latin multiword terms",
        "Latin nouns",
        "Pages with 1 entry",
        "Pages with entries",
        "la:Days of the week"
      ],
      "glosses": [
        "Wednesday"
      ],
      "links": [
        [
          "Wednesday",
          "Wednesday"
        ]
      ],
      "raw_glosses": [
        "(Ecclesiastical Latin) Wednesday"
      ],
      "synonyms": [
        {
          "word": "diēs Mercuriī"
        }
      ],
      "tags": [
        "Ecclesiastical",
        "Latin",
        "declension-1"
      ]
    }
  ],
  "word": "feria quarta"
}