"vav" meaning in Turkish

{
  "etymology_templates": [
    {
      "args": {
        "1": "tr",
        "2": "ar",
        "3": "وَاو"
      },
      "expansion": "Arabic وَاو (wāw)",
      "name": "der"
    }
  ],
  "etymology_text": "From Arabic وَاو (wāw).",
  "head_templates": [
    {
      "args": {
        "1": "tr",
        "2": "noun"
      },
      "expansion": "vav",
      "name": "head"
    }
  ],
  "lang": "Turkish",
  "lang_code": "tr",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Turkish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Turkish entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Undetermined terms with redundant script codes",
          "parents": [
            "Terms with redundant script codes",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "tr",
          "name": "Arabic letter names",
          "orig": "tr:Arabic letter names",
          "parents": [
            "Letter names",
            "Letters, symbols, and punctuation",
            "Names",
            "Orthography",
            "All topics",
            "Proper nouns",
            "Terms by semantic function",
            "Writing",
            "Fundamental",
            "Nouns",
            "Human behaviour",
            "Language",
            "Lemmas",
            "Human",
            "Communication"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Letter of the Arabic alphabet: و"
      ],
      "id": "en-vav-tr-noun-uQN5B4ln"
    }
  ],
  "word": "vav"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "tr",
        "2": "ar",
        "3": "وَاو"
      },
      "expansion": "Arabic وَاو (wāw)",
      "name": "der"
    }
  ],
  "etymology_text": "From Arabic وَاو (wāw).",
  "head_templates": [
    {
      "args": {
        "1": "tr",
        "2": "noun"
      },
      "expansion": "vav",
      "name": "head"
    }
  ],
  "lang": "Turkish",
  "lang_code": "tr",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Turkish entries with incorrect language header",
        "Turkish entries with topic categories using raw markup",
        "Turkish lemmas",
        "Turkish nouns",
        "Turkish palindromes",
        "Turkish terms derived from Arabic",
        "Undetermined terms with redundant script codes",
        "tr:Arabic letter names"
      ],
      "glosses": [
        "Letter of the Arabic alphabet: و"
      ]
    }
  ],
  "word": "vav"
}