"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": [],
          "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 read with on'yomi",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with 2 kanji",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with Atamadaka pitch accent (Tōkyō)",
          "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 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "ja",
          "name": "People",
          "orig": "ja:People",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "leader of a delinquent gang"
      ],
      "hyponyms": [
        {
          "english": "female leader of a delinquent gang",
          "roman": "sukeban",
          "translation": "female leader of a delinquent gang",
          "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"
      ]
    }
  ],
  "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",
      "translation": "female leader of a delinquent gang",
      "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 read with on'yomi",
        "Japanese terms spelled with second grade kanji",
        "Japanese terms spelled with 番 read as ばん",
        "Japanese terms spelled with 長 read as ちょう",
        "Japanese terms with 2 kanji",
        "Japanese terms with Atamadaka pitch accent (Tōkyō)",
        "Japanese terms with IPA pronunciation",
        "Japanese terms with IPA pronunciation with pitch accent",
        "Japanese terms with historical senses",
        "Japanese terms with non-redundant non-automated sortkeys",
        "Japanese terms with redundant sortkeys",
        "Pages with 1 entry",
        "Pages with entries",
        "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"
      ]
    }
  ],
  "sounds": [
    {
      "other": "ばんちょー"
    },
    {
      "ipa": "[bã̠ɲ̟t͡ɕo̞ː]"
    }
  ],
  "word": "番長"
}