"大一番" 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"
    }
  ],
  "forms": [
    {
      "form": "おおいちばん"
    }
  ],
  "lang": "日本語",
  "lang_code": "ja",
  "pos": "noun",
  "pos_title": "名詞",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "日本語 スポーツ",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "その試合に勝つことで優勝や上位への昇進などが決まるような試合。"
      ],
      "id": "ja-大一番-ja-noun-LNoHRVcF",
      "topics": [
        "sports"
      ]
    },
    {
      "glosses": [
        "丸髷などで一際大きなもの。"
      ],
      "id": "ja-大一番-ja-noun-TW88NdFF"
    }
  ],
  "word": "大一番"
}

{
  "categories": [
    "日本語",
    "日本語 名詞"
  ],
  "forms": [
    {
      "form": "おおいちばん"
    }
  ],
  "lang": "日本語",
  "lang_code": "ja",
  "pos": "noun",
  "pos_title": "名詞",
  "senses": [
    {
      "categories": [
        "日本語 スポーツ"
      ],
      "glosses": [
        "その試合に勝つことで優勝や上位への昇進などが決まるような試合。"
      ],
      "topics": [
        "sports"
      ]
    },
    {
      "glosses": [
        "丸髷などで一際大きなもの。"
      ]
    }
  ],
  "word": "大一番"
}