"self-police" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "self-",
        "3": "police"
      },
      "expansion": "self- + police",
      "name": "af"
    }
  ],
  "etymology_text": "From self- + police.",
  "forms": [
    {
      "form": "self-polices",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "self-policing",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "self-policed",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "self-policed",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "self-police (third-person singular simple present self-polices, present participle self-policing, simple past and past participle self-policed)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms prefixed with self-",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2020 May 20, Stefanie Foster, “Comment: Safety first: now more than ever”, in Rail, page 3",
          "text": "Because they will largely have to self-police this - train operators and the British Transport Police will not be able to enforce the use of face coverings, for example.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "To police and monitor amongst themselves without resorting to an external organisation."
      ],
      "id": "en-self-police-en-verb--wWYmE6p"
    }
  ],
  "word": "self-police"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "self-",
        "3": "police"
      },
      "expansion": "self- + police",
      "name": "af"
    }
  ],
  "etymology_text": "From self- + police.",
  "forms": [
    {
      "form": "self-polices",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "self-policing",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "self-policed",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "self-policed",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "self-police (third-person singular simple present self-polices, present participle self-policing, simple past and past participle self-policed)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English terms prefixed with self-",
        "English terms with quotations",
        "English verbs"
      ],
      "examples": [
        {
          "ref": "2020 May 20, Stefanie Foster, “Comment: Safety first: now more than ever”, in Rail, page 3",
          "text": "Because they will largely have to self-police this - train operators and the British Transport Police will not be able to enforce the use of face coverings, for example.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "To police and monitor amongst themselves without resorting to an external organisation."
      ]
    }
  ],
  "word": "self-police"
}