"公子" meaning in Japanese

{
  "etymology_templates": [
    {
      "args": {
        "1": "ja",
        "2": "lzh",
        "3": "公子",
        "lit": "duke's son",
        "sort": "こうし"
      },
      "expansion": "Literary Chinese 公子 (gōngzǐ, literally “duke's son”)",
      "name": "der"
    }
  ],
  "etymology_text": "Literary Chinese 公子 (gōngzǐ, literally “duke's son”)",
  "forms": [
    {
      "form": "公子",
      "ruby": [
        [
          "公",
          "こう"
        ],
        [
          "子",
          "し"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "kōshi",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "こうし"
      },
      "expansion": "公(こう)子(し) • (kōshi)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "antonyms": [
        {
          "word": "公女"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "Japanese entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant alt parameters",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant wikilinks",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with 2 kanji",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with non-redundant non-automated sortkeys",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with redundant sortkeys",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 2 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "ja",
          "name": "Male people",
          "orig": "ja:Male people",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "ja",
          "name": "Nobility",
          "orig": "ja:Nobility",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "the son of a duke in China or Vietnam; compare 王子 (son of a king) and 皇子 (son of an emperor)"
      ],
      "id": "en-公子-ja-noun-aNEvW82B",
      "links": [
        [
          "王子",
          "王子#Japanese"
        ],
        [
          "皇子",
          "皇子#Japanese"
        ]
      ],
      "raw_glosses": [
        "(historical) the son of a duke in China or Vietnam; compare 王子 (son of a king) and 皇子 (son of an emperor)"
      ],
      "tags": [
        "historical"
      ]
    }
  ],
  "sounds": [
    {
      "other": "こーし"
    },
    {
      "ipa": "[ko̞ːɕi]"
    }
  ],
  "word": "公子"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "ja",
        "2": "lzh",
        "3": "公子",
        "lit": "duke's son",
        "sort": "こうし"
      },
      "expansion": "Literary Chinese 公子 (gōngzǐ, literally “duke's son”)",
      "name": "der"
    }
  ],
  "etymology_text": "Literary Chinese 公子 (gōngzǐ, literally “duke's son”)",
  "forms": [
    {
      "form": "公子",
      "ruby": [
        [
          "公",
          "こう"
        ],
        [
          "子",
          "し"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "kōshi",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "こうし"
      },
      "expansion": "公(こう)子(し) • (kōshi)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "antonyms": [
        {
          "word": "公女"
        }
      ],
      "categories": [
        "Japanese entries with incorrect language header",
        "Japanese lemmas",
        "Japanese links with redundant alt parameters",
        "Japanese links with redundant wikilinks",
        "Japanese nouns",
        "Japanese terms derived from Literary Chinese",
        "Japanese terms spelled with first grade kanji",
        "Japanese terms spelled with second grade kanji",
        "Japanese terms with 2 kanji",
        "Japanese terms with IPA pronunciation",
        "Japanese terms with historical senses",
        "Japanese terms with non-redundant non-automated sortkeys",
        "Japanese terms with redundant sortkeys",
        "Pages with 2 entries",
        "Pages with entries",
        "ja:Male people",
        "ja:Nobility"
      ],
      "glosses": [
        "the son of a duke in China or Vietnam; compare 王子 (son of a king) and 皇子 (son of an emperor)"
      ],
      "links": [
        [
          "王子",
          "王子#Japanese"
        ],
        [
          "皇子",
          "皇子#Japanese"
        ]
      ],
      "raw_glosses": [
        "(historical) the son of a duke in China or Vietnam; compare 王子 (son of a king) and 皇子 (son of an emperor)"
      ],
      "tags": [
        "historical"
      ]
    }
  ],
  "sounds": [
    {
      "other": "こーし"
    },
    {
      "ipa": "[ko̞ːɕi]"
    }
  ],
  "word": "公子"
}

{
  "called_from": "parser/1336",
  "msg": "no corresponding start tag found for </span>",
  "path": [
    "公子"
  ],
  "section": "Japanese",
  "subsection": "noun",
  "title": "公子",
  "trace": ""
}