"knuckle duster" meaning in English

{
  "forms": [
    {
      "form": "knuckle dusters",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
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      "args": {},
      "expansion": "knuckle duster (plural knuckle dusters)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Australian English",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "British English",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
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          "source": "w"
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          "kind": "other",
          "name": "Pages with 1 entry",
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          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Weapons",
          "orig": "en:Weapons",
          "parents": [
            "Hunting",
            "Military",
            "Tools",
            "Human activity",
            "Society",
            "Technology",
            "Human behaviour",
            "All topics",
            "Human",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2017 September 23, Tom Phillips, “China finds its own Top Gun and Rambo in wave of patriotic movies”, in The Observer, →ISSN:",
          "text": "“People like you will always be inferior to people like me ... Get fucking used to it,” the American soldier of fortune tells Leng during one of the film’s final blood-soaked battle scenes, as he prepares to puncture the Chinese hero’s throat with a razor-sharp knuckleduster.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A weapon made of metal worn around the knuckles that strengthens the impact of a punch."
      ],
      "id": "en-knuckle_duster-en-noun-0WtElp5m",
      "links": [
        [
          "metal",
          "metal"
        ],
        [
          "knuckle",
          "knuckle"
        ],
        [
          "punch",
          "punch"
        ]
      ],
      "raw_glosses": [
        "(British, Australia) A weapon made of metal worn around the knuckles that strengthens the impact of a punch."
      ],
      "synonyms": [
        {
          "word": "brass knuckles"
        },
        {
          "word": "knuckleduster"
        }
      ],
      "tags": [
        "Australia",
        "British"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "en-au-knuckle duster.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/6/6e/En-au-knuckle_duster.ogg/En-au-knuckle_duster.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/6/6e/En-au-knuckle_duster.ogg"
    }
  ],
  "word": "knuckle duster"
}

{
  "forms": [
    {
      "form": "knuckle dusters",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "knuckle duster (plural knuckle dusters)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Australian English",
        "British English",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Weapons"
      ],
      "examples": [
        {
          "ref": "2017 September 23, Tom Phillips, “China finds its own Top Gun and Rambo in wave of patriotic movies”, in The Observer, →ISSN:",
          "text": "“People like you will always be inferior to people like me ... Get fucking used to it,” the American soldier of fortune tells Leng during one of the film’s final blood-soaked battle scenes, as he prepares to puncture the Chinese hero’s throat with a razor-sharp knuckleduster.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A weapon made of metal worn around the knuckles that strengthens the impact of a punch."
      ],
      "links": [
        [
          "metal",
          "metal"
        ],
        [
          "knuckle",
          "knuckle"
        ],
        [
          "punch",
          "punch"
        ]
      ],
      "raw_glosses": [
        "(British, Australia) A weapon made of metal worn around the knuckles that strengthens the impact of a punch."
      ],
      "synonyms": [
        {
          "word": "brass knuckles"
        }
      ],
      "tags": [
        "Australia",
        "British"
      ]
    }
  ],
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  ],
  "synonyms": [
    {
      "word": "knuckleduster"
    }
  ],
  "word": "knuckle duster"
}