"antivigilia" meaning in Italian

{
  "forms": [
    {
      "form": "antivigilie",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "antivigilia f (plural antivigilie)",
      "name": "it-noun"
    }
  ],
  "hyphenation": [
    "an‧ti‧vi‧gì‧lia"
  ],
  "lang": "Italian",
  "lang_code": "it",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Italian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "english": "Christmas Eve's eve",
          "word": "antivigilia di Natale"
        },
        {
          "english": "New year's Eve's eve",
          "word": "antivigilia di Capodanno"
        }
      ],
      "glosses": [
        "the day two days before; the eve of the eve"
      ],
      "id": "en-antivigilia-it-noun-h4~TzkDz",
      "tags": [
        "feminine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/an.ti.viˈd͡ʒi.lja/"
    },
    {
      "rhymes": "-ilja"
    }
  ],
  "word": "antivigilia"
}

{
  "derived": [
    {
      "english": "Christmas Eve's eve",
      "word": "antivigilia di Natale"
    },
    {
      "english": "New year's Eve's eve",
      "word": "antivigilia di Capodanno"
    }
  ],
  "forms": [
    {
      "form": "antivigilie",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "antivigilia f (plural antivigilie)",
      "name": "it-noun"
    }
  ],
  "hyphenation": [
    "an‧ti‧vi‧gì‧lia"
  ],
  "lang": "Italian",
  "lang_code": "it",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Italian 5-syllable words",
        "Italian countable nouns",
        "Italian entries with incorrect language header",
        "Italian feminine nouns",
        "Italian lemmas",
        "Italian nouns",
        "Italian terms with IPA pronunciation",
        "Rhymes:Italian/ilja",
        "Rhymes:Italian/ilja/5 syllables"
      ],
      "glosses": [
        "the day two days before; the eve of the eve"
      ],
      "tags": [
        "feminine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/an.ti.viˈd͡ʒi.lja/"
    },
    {
      "rhymes": "-ilja"
    }
  ],
  "word": "antivigilia"
}