"semivocal" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "semi",
        "3": "vocal"
      },
      "expansion": "semi- + vocal",
      "name": "prefix"
    }
  ],
  "etymology_text": "semi- + vocal",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "semivocal (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms prefixed with semi-",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Phonetics",
          "orig": "en:Phonetics",
          "parents": [
            "Linguistics",
            "Language",
            "Social sciences",
            "Communication",
            "Sciences",
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "semivocal sound",
          "type": "example"
        }
      ],
      "glosses": [
        "Of or relating to a semivowel."
      ],
      "id": "en-semivocal-en-adj-4X7a0P5A",
      "links": [
        [
          "phonetics",
          "phonetics"
        ],
        [
          "semivowel",
          "semivowel"
        ]
      ],
      "raw_glosses": [
        "(phonetics) Of or relating to a semivowel."
      ],
      "tags": [
        "not-comparable"
      ],
      "topics": [
        "human-sciences",
        "linguistics",
        "phonetics",
        "phonology",
        "sciences"
      ]
    }
  ],
  "sounds": [
    {
      "rhymes": "-əʊkəl"
    }
  ],
  "word": "semivocal"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "semi",
        "3": "vocal"
      },
      "expansion": "semi- + vocal",
      "name": "prefix"
    }
  ],
  "etymology_text": "semi- + vocal",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "semivocal (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "English adjectives",
        "English entries with incorrect language header",
        "English lemmas",
        "English terms prefixed with semi-",
        "English terms with usage examples",
        "English uncomparable adjectives",
        "Rhymes:English/əʊkəl",
        "Rhymes:English/əʊkəl/4 syllables",
        "en:Phonetics"
      ],
      "examples": [
        {
          "text": "semivocal sound",
          "type": "example"
        }
      ],
      "glosses": [
        "Of or relating to a semivowel."
      ],
      "links": [
        [
          "phonetics",
          "phonetics"
        ],
        [
          "semivowel",
          "semivowel"
        ]
      ],
      "raw_glosses": [
        "(phonetics) Of or relating to a semivowel."
      ],
      "tags": [
        "not-comparable"
      ],
      "topics": [
        "human-sciences",
        "linguistics",
        "phonetics",
        "phonology",
        "sciences"
      ]
    }
  ],
  "sounds": [
    {
      "rhymes": "-əʊkəl"
    }
  ],
  "word": "semivocal"
}