"policeboat" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "police",
        "3": "boat"
      },
      "expansion": "police + boat",
      "name": "compound"
    }
  ],
  "etymology_text": "police + boat",
  "forms": [
    {
      "form": "policeboats",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "policeboat (plural policeboats)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "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 entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Watercraft",
          "orig": "en:Watercraft",
          "parents": [
            "Nautical",
            "Vehicles",
            "Transport",
            "Machines",
            "All topics",
            "Technology",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A boat used by police."
      ],
      "id": "en-policeboat-en-noun-FHev07U2",
      "links": [
        [
          "boat",
          "boat"
        ],
        [
          "police",
          "police"
        ]
      ]
    }
  ],
  "word": "policeboat"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "police",
        "3": "boat"
      },
      "expansion": "police + boat",
      "name": "compound"
    }
  ],
  "etymology_text": "police + boat",
  "forms": [
    {
      "form": "policeboats",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "policeboat (plural policeboats)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English compound terms",
        "English countable nouns",
        "English entries with incorrect language header",
        "English entries with topic categories using raw markup",
        "English lemmas",
        "English nouns",
        "en:Watercraft"
      ],
      "glosses": [
        "A boat used by police."
      ],
      "links": [
        [
          "boat",
          "boat"
        ],
        [
          "police",
          "police"
        ]
      ]
    }
  ],
  "word": "policeboat"
}