"PND" meaning in Czech

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  "lang": "Czech",
  "lang_code": "cs",
  "pos": "noun",
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          "extra": "paranasal sinus",
          "word": "paranazální dutina"
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        "Abbreviation of paranazální dutina (“paranasal sinus”)."
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        "(anatomy) Abbreviation of paranazální dutina (“paranasal sinus”)."
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  "word": "PND"
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  "lang": "Czech",
  "lang_code": "cs",
  "pos": "noun",
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          "extra": "paranasal sinus",
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