"一等" meaning in 日语

{
  "categories": [
    {
      "kind": "other",
      "name": "待分類的漢語詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "日語",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "漢語",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "日语",
  "lang_code": "ja",
  "pos": "unknown",
  "senses": [
    {
      "glosses": [
        "一等【いっとう】\n名 一等，头等。\n一等賞\n一等奖。\n副 最，顶。\n一等よく知っている\n最熟悉。"
      ],
      "id": "zh-一等-ja-unknown-YWfDxaVv"
    }
  ],
  "word": "一等"
}

{
  "categories": [
    "待分類的漢語詞",
    "日語",
    "漢語"
  ],
  "lang": "日语",
  "lang_code": "ja",
  "pos": "unknown",
  "senses": [
    {
      "glosses": [
        "一等【いっとう】\n名 一等，头等。\n一等賞\n一等奖。\n副 最，顶。\n一等よく知っている\n最熟悉。"
      ]
    }
  ],
  "word": "一等"
}