"緘黙症" meaning in Japanese

{
  "forms": [
    {
      "form": "緘黙症 ^",
      "ruby": [
        [
          "緘",
          "かん"
        ],
        [
          "黙",
          "もく"
        ],
        [
          "症",
          "しょう"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "kanmokushō",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "kanmokusyau",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "かんもくしやう",
      "roman": "kanmokusyau",
      "tags": [
        "hiragana",
        "historical"
      ]
    },
    {
      "form": "緘默症",
      "tags": [
        "alternative",
        "kanji",
        "kyūjitai"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "かんもくしょう",
        "hhira": "かんもくしやう"
      },
      "expansion": "緘(かん)黙(もく)症(しょう) • (kanmokushō) ^(←かんもくしやう (kanmokusyau)?)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Japanese entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant alt parameters",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant wikilinks",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms read with on'yomi",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with 3 kanji",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with Heiban pitch accent (Tōkyō)",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with non-redundant non-automated sortkeys",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with redundant sortkeys",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "mutism"
      ],
      "id": "en-緘黙症-ja-noun-9Db-4~U7",
      "links": [
        [
          "mutism",
          "mutism"
        ]
      ],
      "synonyms": [
        {
          "roman": "mugonshō",
          "ruby": [
            [
              "無言症",
              "むごんしょう"
            ]
          ],
          "word": "無言症"
        }
      ]
    }
  ],
  "sounds": [
    {
      "other": "かんもくしょー"
    },
    {
      "ipa": "[kã̠mːo̞kɯ̟ɕo̞ː]"
    }
  ],
  "word": "緘黙症"
}

{
  "forms": [
    {
      "form": "緘黙症 ^",
      "ruby": [
        [
          "緘",
          "かん"
        ],
        [
          "黙",
          "もく"
        ],
        [
          "症",
          "しょう"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "kanmokushō",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "kanmokusyau",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "かんもくしやう",
      "roman": "kanmokusyau",
      "tags": [
        "hiragana",
        "historical"
      ]
    },
    {
      "form": "緘默症",
      "tags": [
        "alternative",
        "kanji",
        "kyūjitai"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "かんもくしょう",
        "hhira": "かんもくしやう"
      },
      "expansion": "緘(かん)黙(もく)症(しょう) • (kanmokushō) ^(←かんもくしやう (kanmokusyau)?)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Japanese entries with incorrect language header",
        "Japanese lemmas",
        "Japanese links with redundant alt parameters",
        "Japanese links with redundant wikilinks",
        "Japanese nouns",
        "Japanese terms read with on'yomi",
        "Japanese terms spelled with hyōgai kanji",
        "Japanese terms spelled with secondary school kanji",
        "Japanese terms spelled with 症 read as しょう",
        "Japanese terms spelled with 緘 read as かん",
        "Japanese terms spelled with 黙 read as もく",
        "Japanese terms with 3 kanji",
        "Japanese terms with Heiban pitch accent (Tōkyō)",
        "Japanese terms with IPA pronunciation",
        "Japanese terms with IPA pronunciation with pitch accent",
        "Japanese terms with non-redundant non-automated sortkeys",
        "Japanese terms with redundant sortkeys",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "mutism"
      ],
      "links": [
        [
          "mutism",
          "mutism"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "other": "かんもくしょー"
    },
    {
      "ipa": "[kã̠mːo̞kɯ̟ɕo̞ː]"
    }
  ],
  "synonyms": [
    {
      "roman": "mugonshō",
      "ruby": [
        [
          "無言症",
          "むごんしょう"
        ]
      ],
      "word": "無言症"
    }
  ],
  "word": "緘黙症"
}