"wooden-top" meaning in English

{
  "etymology_text": "The expression may be a reference to the wooden construction of a bobby's custodian helmet.",
  "forms": [
    {
      "form": "wooden-tops",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "wooden-top (plural wooden-tops)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "British English",
          "parents": [],
          "source": "w"
        },
        {
          "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": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Law enforcement",
          "orig": "en:Law enforcement",
          "parents": [
            "Crime prevention",
            "Emergency services",
            "Law",
            "Crime",
            "Public safety",
            "Justice",
            "Criminal law",
            "Society",
            "Public administration",
            "Security",
            "All topics",
            "Government",
            "Fundamental",
            "Politics"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1988, Derek Raymond, The Devil's Home on Leave, Ballantine Books, page 151",
          "text": "Immediately a big wooden-top came in. He was young and blond.",
          "type": "quotation"
        },
        {
          "ref": "1991, Bill James, The Lolita Man, W. W. Norton & Company, page 41",
          "text": "It is Detective Chief Superintendent Cohn Harpur, one of the bosses, but just a wooden-top like all the rest.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A uniformed police officer."
      ],
      "id": "en-wooden-top-en-noun-btGZdjVU",
      "links": [
        [
          "uniformed",
          "uniformed"
        ],
        [
          "police",
          "police"
        ],
        [
          "officer",
          "officer"
        ]
      ],
      "raw_glosses": [
        "(British, informal, idiomatic) A uniformed police officer."
      ],
      "synonyms": [
        {
          "sense": "police officer",
          "word": "police officer"
        },
        {
          "word": "woodentop"
        }
      ],
      "tags": [
        "British",
        "idiomatic",
        "informal"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "En-au-wooden-top.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/a/a3/En-au-wooden-top.ogg/En-au-wooden-top.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/a/a3/En-au-wooden-top.ogg",
      "tags": [
        "Australia"
      ],
      "text": "Audio (AU)"
    }
  ],
  "word": "wooden-top"
}

{
  "etymology_text": "The expression may be a reference to the wooden construction of a bobby's custodian helmet.",
  "forms": [
    {
      "form": "wooden-tops",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "wooden-top (plural wooden-tops)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "British English",
        "English countable nouns",
        "English entries with incorrect language header",
        "English entries with topic categories using raw markup",
        "English idioms",
        "English informal terms",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with audio links",
        "English terms with non-redundant non-automated sortkeys",
        "English terms with quotations",
        "Quotation templates to be cleaned",
        "en:Law enforcement"
      ],
      "examples": [
        {
          "ref": "1988, Derek Raymond, The Devil's Home on Leave, Ballantine Books, page 151",
          "text": "Immediately a big wooden-top came in. He was young and blond.",
          "type": "quotation"
        },
        {
          "ref": "1991, Bill James, The Lolita Man, W. W. Norton & Company, page 41",
          "text": "It is Detective Chief Superintendent Cohn Harpur, one of the bosses, but just a wooden-top like all the rest.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A uniformed police officer."
      ],
      "links": [
        [
          "uniformed",
          "uniformed"
        ],
        [
          "police",
          "police"
        ],
        [
          "officer",
          "officer"
        ]
      ],
      "raw_glosses": [
        "(British, informal, idiomatic) A uniformed police officer."
      ],
      "tags": [
        "British",
        "idiomatic",
        "informal"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "En-au-wooden-top.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/a/a3/En-au-wooden-top.ogg/En-au-wooden-top.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/a/a3/En-au-wooden-top.ogg",
      "tags": [
        "Australia"
      ],
      "text": "Audio (AU)"
    }
  ],
  "synonyms": [
    {
      "sense": "police officer",
      "word": "police officer"
    },
    {
      "word": "woodentop"
    }
  ],
  "word": "wooden-top"
}