"masked facies" meaning in English

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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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      ],
      "glosses": [
        "Masklike facial expression, often noted in Parkinson's disease."
      ],
      "id": "en-masked_facies-en-noun-6~0m89yP",
      "links": [
        [
          "medicine",
          "medicine"
        ],
        [
          "Masklike",
          "masklike#English"
        ],
        [
          "Parkinson's disease",
          "Parkinson's disease"
        ]
      ],
      "raw_glosses": [
        "(medicine) Masklike facial expression, often noted in Parkinson's disease."
      ],
      "synonyms": [
        {
          "word": "parkinsonian facies"
        }
      ],
      "topics": [
        "medicine",
        "sciences"
      ],
      "translations": [
        {
          "code": "ru",
          "lang": "Russian",
          "roman": "maskopodóbnoje licó",
          "sense": "immobile facial expression",
          "tags": [
            "neuter"
          ],
          "word": "маскоподо́бное лицо́"
        }
      ]
    }
  ],
  "word": "masked facies"
}

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      "expansion": "masked facies",
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  "lang_code": "en",
  "pos": "noun",
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      "glosses": [
        "Masklike facial expression, often noted in Parkinson's disease."
      ],
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          "medicine"
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          "Masklike",
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          "Parkinson's disease",
          "Parkinson's disease"
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      "raw_glosses": [
        "(medicine) Masklike facial expression, often noted in Parkinson's disease."
      ],
      "topics": [
        "medicine",
        "sciences"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "parkinsonian facies"
    }
  ],
  "translations": [
    {
      "code": "ru",
      "lang": "Russian",
      "roman": "maskopodóbnoje licó",
      "sense": "immobile facial expression",
      "tags": [
        "neuter"
      ],
      "word": "маскоподо́бное лицо́"
    }
  ],
  "word": "masked facies"
}