"phonascetics" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "grc",
        "3": ""
      },
      "expansion": "Ancient Greek [Term?]",
      "name": "der"
    }
  ],
  "etymology_text": "Ancient Greek [Term?], meaning \"to practise the voice\".",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "phonascetics (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "treatment for restoring or improving the voice"
      ],
      "id": "en-phonascetics-en-noun-rOjVQruE",
      "links": [
        [
          "treatment",
          "treatment"
        ],
        [
          "restoring",
          "restore"
        ],
        [
          "improving",
          "improve"
        ],
        [
          "voice",
          "voice"
        ]
      ],
      "raw_glosses": [
        "(rare, obsolete) treatment for restoring or improving the voice"
      ],
      "tags": [
        "obsolete",
        "rare",
        "uncountable"
      ]
    }
  ],
  "word": "phonascetics"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "grc",
        "3": ""
      },
      "expansion": "Ancient Greek [Term?]",
      "name": "der"
    }
  ],
  "etymology_text": "Ancient Greek [Term?], meaning \"to practise the voice\".",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "phonascetics (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Ancient Greek term requests",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms derived from Ancient Greek",
        "English terms with obsolete senses",
        "English terms with rare senses",
        "English uncountable nouns"
      ],
      "glosses": [
        "treatment for restoring or improving the voice"
      ],
      "links": [
        [
          "treatment",
          "treatment"
        ],
        [
          "restoring",
          "restore"
        ],
        [
          "improving",
          "improve"
        ],
        [
          "voice",
          "voice"
        ]
      ],
      "raw_glosses": [
        "(rare, obsolete) treatment for restoring or improving the voice"
      ],
      "tags": [
        "obsolete",
        "rare",
        "uncountable"
      ]
    }
  ],
  "word": "phonascetics"
}