"knuckle joints" meaning in All languages combined

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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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      "form_of": [
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          "word": "knuckle joint"
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      "glosses": [
        "plural of knuckle joint"
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  "word": "knuckle joints"
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  "word": "knuckle joints"
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