"Vl." meaning in German

{
  "forms": [
    {
      "form": "Vl.",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "de",
        "2": "noun",
        "3": "plural",
        "4": "Vl."
      },
      "expansion": "Vl. (plural Vl.)",
      "name": "head"
    }
  ],
  "lang": "German",
  "lang_code": "de",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "violin",
          "word": "Violine"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "German entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "de",
          "name": "Music",
          "orig": "de:Music",
          "parents": [
            "Art",
            "Sound",
            "Culture",
            "Energy",
            "Society",
            "Nature",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Abbreviation of Violine (“violin”)."
      ],
      "id": "en-Vl.-de-noun-q2JWp2g5",
      "links": [
        [
          "music",
          "music"
        ],
        [
          "Violine",
          "Violine#German"
        ]
      ],
      "raw_glosses": [
        "(music) Abbreviation of Violine (“violin”)."
      ],
      "tags": [
        "abbreviation",
        "alt-of"
      ],
      "topics": [
        "entertainment",
        "lifestyle",
        "music"
      ]
    }
  ],
  "word": "Vl."
}

{
  "forms": [
    {
      "form": "Vl.",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "de",
        "2": "noun",
        "3": "plural",
        "4": "Vl."
      },
      "expansion": "Vl. (plural Vl.)",
      "name": "head"
    }
  ],
  "lang": "German",
  "lang_code": "de",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "violin",
          "word": "Violine"
        }
      ],
      "categories": [
        "German abbreviations",
        "German entries with incorrect language header",
        "German lemmas",
        "German nouns",
        "German terms spelled with .",
        "de:Music"
      ],
      "glosses": [
        "Abbreviation of Violine (“violin”)."
      ],
      "links": [
        [
          "music",
          "music"
        ],
        [
          "Violine",
          "Violine#German"
        ]
      ],
      "raw_glosses": [
        "(music) Abbreviation of Violine (“violin”)."
      ],
      "tags": [
        "abbreviation",
        "alt-of"
      ],
      "topics": [
        "entertainment",
        "lifestyle",
        "music"
      ]
    }
  ],
  "word": "Vl."
}