"渤海" meaning in 日本語

{
  "categories": [
    {
      "kind": "other",
      "name": "日本語",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "日本語 固有名詞",
      "parents": [],
      "source": "w"
    }
  ],
  "forms": [
    {
      "form": "ぼっかい"
    }
  ],
  "lang": "日本語",
  "lang_code": "ja",
  "pos": "name",
  "pos_title": "固有名詞",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "日本語 地名",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "黄海の最北端、遼東半島と山東半島より北側の内湾部。"
      ],
      "id": "ja-渤海-ja-name-HRUCoHla",
      "tags": [
        "place"
      ]
    }
  ],
  "word": "渤海"
}

{
  "categories": [
    "日本語",
    "日本語 固有名詞"
  ],
  "forms": [
    {
      "form": "ぼっかい"
    }
  ],
  "lang": "日本語",
  "lang_code": "ja",
  "pos": "name",
  "pos_title": "固有名詞",
  "senses": [
    {
      "categories": [
        "日本語 地名"
      ],
      "glosses": [
        "黄海の最北端、遼東半島と山東半島より北側の内湾部。"
      ],
      "tags": [
        "place"
      ]
    }
  ],
  "word": "渤海"
}