"番長" meaning in Japanese

{
  "forms": [
    {
      "form": "番長",
      "ruby": [
        [
          "番",
          "ばん"
        ],
        [
          "長",
          "ちょう"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "banchō",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "bantyau",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "ばんちやう",
      "roman": "bantyau",
      "tags": [
        "hiragana",
        "historical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ばんちょう",
        "hhira": "ばんちやう"
      },
      "expansion": "番(ばん)長(ちょう) • (banchō) ^(←ばんちやう (bantyau)?)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Japanese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant alt parameters",
          "parents": [
            "Links with redundant alt parameters",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant wikilinks",
          "parents": [
            "Links with redundant wikilinks",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with redundant sortkeys",
          "parents": [
            "Terms with redundant sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "ja",
          "name": "People",
          "orig": "ja:People",
          "parents": [
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "leader of a delinquent gang"
      ],
      "hyponyms": [
        {
          "english": "female leader of a delinquent gang",
          "roman": "sukeban",
          "word": "すけばん"
        }
      ],
      "id": "en-番長-ja-noun-1dDlSrK8",
      "links": [
        [
          "leader",
          "leader"
        ],
        [
          "delinquent",
          "delinquent"
        ],
        [
          "gang",
          "gang"
        ]
      ],
      "raw_glosses": [
        "(historical)",
        "(slang) leader of a delinquent gang"
      ],
      "tags": [
        "historical",
        "slang"
      ],
      "wikipedia": [
        "en:Banchō (position)",
        "ja:番長"
      ]
    }
  ],
  "sounds": [
    {
      "other": "ばんちょー"
    },
    {
      "ipa": "[bã̠ɲ̟t͡ɕo̞ː]"
    }
  ],
  "word": "番長"
}

{
  "forms": [
    {
      "form": "番長",
      "ruby": [
        [
          "番",
          "ばん"
        ],
        [
          "長",
          "ちょう"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "banchō",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "bantyau",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "ばんちやう",
      "roman": "bantyau",
      "tags": [
        "hiragana",
        "historical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ばんちょう",
        "hhira": "ばんちやう"
      },
      "expansion": "番(ばん)長(ちょう) • (banchō) ^(←ばんちやう (bantyau)?)",
      "name": "ja-noun"
    }
  ],
  "hyponyms": [
    {
      "english": "female leader of a delinquent gang",
      "roman": "sukeban",
      "word": "すけばん"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Japanese entries with incorrect language header",
        "Japanese lemmas",
        "Japanese links with redundant alt parameters",
        "Japanese links with redundant wikilinks",
        "Japanese nouns",
        "Japanese slang",
        "Japanese terms spelled with second grade kanji",
        "Japanese terms with IPA pronunciation",
        "Japanese terms with historical senses",
        "Japanese terms with redundant sortkeys",
        "Japanese terms written with two Han script characters",
        "ja:People"
      ],
      "glosses": [
        "leader of a delinquent gang"
      ],
      "links": [
        [
          "leader",
          "leader"
        ],
        [
          "delinquent",
          "delinquent"
        ],
        [
          "gang",
          "gang"
        ]
      ],
      "raw_glosses": [
        "(historical)",
        "(slang) leader of a delinquent gang"
      ],
      "tags": [
        "historical",
        "slang"
      ],
      "wikipedia": [
        "en:Banchō (position)",
        "ja:番長"
      ]
    }
  ],
  "sounds": [
    {
      "other": "ばんちょー"
    },
    {
      "ipa": "[bã̠ɲ̟t͡ɕo̞ː]"
    }
  ],
  "word": "番長"
}