"devil's bit" meaning in English

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  "etymology_text": "Calque of Latin morsus diaboli.",
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      "form": "devil's-bit",
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  "lang_code": "en",
  "pos": "noun",
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      "glosses": [
        "devil's bit scabious (Succisa pratensis), native to Europe."
      ],
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      "translations": [
        {
          "_dis1": "89 11",
          "code": "nl",
          "lang": "Dutch",
          "sense": "Succisa pratensis",
          "tags": [
            "masculine"
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          "word": "blauwe knoop"
        }
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          "_dis": "33 67",
          "kind": "lifeform",
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          "name": "Honeysuckle family plants",
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          "_dis": "30 70",
          "kind": "lifeform",
          "langcode": "en",
          "name": "Lily family plants",
          "orig": "en:Lily family plants",
          "parents": [
            "Flowers",
            "Liliales order plants",
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      ],
      "glosses": [
        "blazing star (Chamaelirium luteum), native to North America."
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          "blazing star",
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  "word": "devil's bit"
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  ],
  "etymology_text": "Calque of Latin morsus diaboli.",
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      "glosses": [
        "devil's bit scabious (Succisa pratensis), native to Europe."
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      "glosses": [
        "blazing star (Chamaelirium luteum), native to North America."
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          "blazing star",
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  "translations": [
    {
      "code": "nl",
      "lang": "Dutch",
      "sense": "Succisa pratensis",
      "tags": [
        "masculine"
      ],
      "word": "blauwe knoop"
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  "word": "devil's bit"
}