"初日" 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"
    }
  ],
  "lang": "日本語",
  "lang_code": "ja",
  "pos": "noun",
  "pos_title": "名詞",
  "senses": [
    {
      "glosses": [
        "最初の日。特に興行などの最初の日。"
      ],
      "id": "ja-初日-ja-noun-CHuscvnu"
    },
    {
      "examples": [
        {
          "text": "初日が出る。初日を出す"
        }
      ],
      "glosses": [
        "相撲で連敗していた力士が初めて勝ち星をとること。"
      ],
      "id": "ja-初日-ja-noun-uZVrOSk3"
    }
  ],
  "word": "初日"
}

{
  "categories": [
    {
      "kind": "other",
      "name": "日本語",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "日本語",
  "lang_code": "ja",
  "pos": "noun",
  "pos_title": "名詞",
  "senses": [
    {
      "glosses": [
        "元旦の太陽。"
      ],
      "id": "ja-初日-ja-noun-5jmmi98H"
    }
  ],
  "word": "初日"
}

{
  "categories": [
    "日本語",
    "日本語_名詞"
  ],
  "lang": "日本語",
  "lang_code": "ja",
  "pos": "noun",
  "pos_title": "名詞",
  "senses": [
    {
      "glosses": [
        "最初の日。特に興行などの最初の日。"
      ]
    },
    {
      "examples": [
        {
          "text": "初日が出る。初日を出す"
        }
      ],
      "glosses": [
        "相撲で連敗していた力士が初めて勝ち星をとること。"
      ]
    }
  ],
  "word": "初日"
}

{
  "categories": [
    "日本語"
  ],
  "lang": "日本語",
  "lang_code": "ja",
  "pos": "noun",
  "pos_title": "名詞",
  "senses": [
    {
      "glosses": [
        "元旦の太陽。"
      ]
    }
  ],
  "word": "初日"
}