"knokker" meaning in Dutch

{
  "etymology_templates": [
    {
      "args": {
        "1": "nl",
        "2": "knokken",
        "3": "-er",
        "id2": "agent noun",
        "t1": "to fight, beat"
      },
      "expansion": "knokken (“to fight, beat”) + -er",
      "name": "suffix"
    }
  ],
  "etymology_text": "From knokken (“to fight, beat”) + -er.",
  "forms": [
    {
      "form": "knokkers",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "knokkertje",
      "tags": [
        "diminutive",
        "neuter"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "-s",
        "3": "knokkertje"
      },
      "expansion": "knokker m (plural knokkers, diminutive knokkertje n)",
      "name": "nl-noun"
    }
  ],
  "hyphenation": [
    "knok‧ker"
  ],
  "lang": "Dutch",
  "lang_code": "nl",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Dutch entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Dutch terms suffixed with -er (agent noun)",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "A fighter, brawler, person tending to start or pick a fight"
      ],
      "id": "en-knokker-nl-noun-gCxBRoou",
      "links": [
        [
          "fighter",
          "fighter"
        ],
        [
          "brawler",
          "brawler"
        ],
        [
          "fight",
          "fight"
        ]
      ],
      "related": [
        {
          "tags": [
            "verb"
          ],
          "word": "afknokken"
        },
        {
          "tags": [
            "feminine",
            "masculine"
          ],
          "word": "knok"
        },
        {
          "tags": [
            "adjective"
          ],
          "word": "bazig"
        },
        {
          "tags": [
            "masculine"
          ],
          "word": "huisbaas"
        }
      ],
      "synonyms": [
        {
          "tags": [
            "masculine"
          ],
          "word": "vechtersbaas"
        }
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈknɔ.kər/"
    },
    {
      "rhymes": "-ɔkər"
    },
    {
      "audio": "Nl-knokker.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/4/42/Nl-knokker.ogg/Nl-knokker.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/4/42/Nl-knokker.ogg",
      "text": "Audio"
    }
  ],
  "word": "knokker"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "nl",
        "2": "knokken",
        "3": "-er",
        "id2": "agent noun",
        "t1": "to fight, beat"
      },
      "expansion": "knokken (“to fight, beat”) + -er",
      "name": "suffix"
    }
  ],
  "etymology_text": "From knokken (“to fight, beat”) + -er.",
  "forms": [
    {
      "form": "knokkers",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "knokkertje",
      "tags": [
        "diminutive",
        "neuter"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "-s",
        "3": "knokkertje"
      },
      "expansion": "knokker m (plural knokkers, diminutive knokkertje n)",
      "name": "nl-noun"
    }
  ],
  "hyphenation": [
    "knok‧ker"
  ],
  "lang": "Dutch",
  "lang_code": "nl",
  "pos": "noun",
  "related": [
    {
      "tags": [
        "verb"
      ],
      "word": "afknokken"
    },
    {
      "tags": [
        "feminine",
        "masculine"
      ],
      "word": "knok"
    },
    {
      "tags": [
        "adjective"
      ],
      "word": "bazig"
    },
    {
      "tags": [
        "masculine"
      ],
      "word": "huisbaas"
    }
  ],
  "senses": [
    {
      "categories": [
        "Dutch entries with incorrect language header",
        "Dutch lemmas",
        "Dutch masculine nouns",
        "Dutch nouns",
        "Dutch nouns with plural in -s",
        "Dutch terms suffixed with -er (agent noun)",
        "Dutch terms with IPA pronunciation",
        "Dutch terms with audio links",
        "Rhymes:Dutch/ɔkər",
        "Rhymes:Dutch/ɔkər/2 syllables"
      ],
      "glosses": [
        "A fighter, brawler, person tending to start or pick a fight"
      ],
      "links": [
        [
          "fighter",
          "fighter"
        ],
        [
          "brawler",
          "brawler"
        ],
        [
          "fight",
          "fight"
        ]
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈknɔ.kər/"
    },
    {
      "rhymes": "-ɔkər"
    },
    {
      "audio": "Nl-knokker.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/4/42/Nl-knokker.ogg/Nl-knokker.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/4/42/Nl-knokker.ogg",
      "text": "Audio"
    }
  ],
  "synonyms": [
    {
      "tags": [
        "masculine"
      ],
      "word": "vechtersbaas"
    }
  ],
  "word": "knokker"
}