"wreaker" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "wreak",
        "3": "er"
      },
      "expansion": "wreak + -er",
      "name": "suffix"
    }
  ],
  "etymology_text": "wreak + -er",
  "forms": [
    {
      "form": "wreakers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "wreaker (plural wreakers)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
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          "source": "w"
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          "name": "English terms suffixed with -er",
          "parents": [],
          "source": "w"
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      ],
      "examples": [
        {
          "ref": "2013, Helene E. Roberts, Encyclopedia of Comparative Iconography",
          "text": "[…] matched by the diversity of roles the lion plays, switching from ally to enemy, from a symbol of strength and goodness to wreaker of havoc and evil.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "One who wreaks."
      ],
      "id": "en-wreaker-en-noun-sFuT~Eb5",
      "links": [
        [
          "wreak",
          "wreak"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈɹikɚ/",
      "tags": [
        "US"
      ]
    }
  ],
  "word": "wreaker"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "wreak",
        "3": "er"
      },
      "expansion": "wreak + -er",
      "name": "suffix"
    }
  ],
  "etymology_text": "wreak + -er",
  "forms": [
    {
      "form": "wreakers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "wreaker (plural wreakers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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        "English countable nouns",
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        "English terms suffixed with -er",
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      "examples": [
        {
          "ref": "2013, Helene E. Roberts, Encyclopedia of Comparative Iconography",
          "text": "[…] matched by the diversity of roles the lion plays, switching from ally to enemy, from a symbol of strength and goodness to wreaker of havoc and evil.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "One who wreaks."
      ],
      "links": [
        [
          "wreak",
          "wreak"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈɹikɚ/",
      "tags": [
        "US"
      ]
    }
  ],
  "word": "wreaker"
}