"三箇日" meaning in 日本語

{
  "categories": [
    {
      "kind": "other",
      "name": "日本語",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "日本語 名詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "日本語 季語 新年",
      "parents": [],
      "source": "w"
    }
  ],
  "forms": [
    {
      "form": "さんがにち"
    }
  ],
  "lang": "日本語",
  "lang_code": "ja",
  "pos": "noun",
  "pos_title": "名詞",
  "related": [
    {
      "word": "年始"
    },
    {
      "word": "正月"
    }
  ],
  "senses": [
    {
      "glosses": [
        "1月1日から3日までの3日間。"
      ],
      "id": "ja-三箇日-ja-noun-BvG5OBlq"
    },
    {
      "glosses": [
        "（広義）ある特定の行事のある3日間。"
      ],
      "id": "ja-三箇日-ja-noun-pYFkUoBV"
    }
  ],
  "translations": [
    {
      "lang": "英語",
      "lang_code": "en",
      "word": "the first three days of the new year"
    }
  ],
  "word": "三箇日"
}

{
  "categories": [
    "日本語",
    "日本語 名詞",
    "日本語 季語 新年"
  ],
  "forms": [
    {
      "form": "さんがにち"
    }
  ],
  "lang": "日本語",
  "lang_code": "ja",
  "pos": "noun",
  "pos_title": "名詞",
  "related": [
    {
      "word": "年始"
    },
    {
      "word": "正月"
    }
  ],
  "senses": [
    {
      "glosses": [
        "1月1日から3日までの3日間。"
      ]
    },
    {
      "glosses": [
        "（広義）ある特定の行事のある3日間。"
      ]
    }
  ],
  "translations": [
    {
      "lang": "英語",
      "lang_code": "en",
      "word": "the first three days of the new year"
    }
  ],
  "word": "三箇日"
}