"улав" meaning in Erzya

{
  "etymology_templates": [
    {
      "args": {
        "1": "myv",
        "2": "trk"
      },
      "expansion": "Turkic",
      "name": "bor"
    },
    {
      "args": {
        "1": "myv",
        "2": "cv",
        "3": "лав",
        "4": "",
        "5": "wagon"
      },
      "expansion": "Chuvash лав (lav, “wagon”)",
      "name": "bor"
    }
  ],
  "etymology_text": "Borrowed from a Turkic language. Compare Chuvash лав (lav, “wagon”).",
  "forms": [
    {
      "form": "ulav",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "myv",
        "2": "noun"
      },
      "expansion": "улав • (ulav)",
      "name": "head"
    }
  ],
  "lang": "Erzya",
  "lang_code": "myv",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Erzya entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 2 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "wagon"
      ],
      "id": "en-улав-myv-noun-uvagtwqw",
      "links": [
        [
          "wagon",
          "wagon"
        ]
      ]
    }
  ],
  "word": "улав"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "myv",
        "2": "trk"
      },
      "expansion": "Turkic",
      "name": "bor"
    },
    {
      "args": {
        "1": "myv",
        "2": "cv",
        "3": "лав",
        "4": "",
        "5": "wagon"
      },
      "expansion": "Chuvash лав (lav, “wagon”)",
      "name": "bor"
    }
  ],
  "etymology_text": "Borrowed from a Turkic language. Compare Chuvash лав (lav, “wagon”).",
  "forms": [
    {
      "form": "ulav",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "myv",
        "2": "noun"
      },
      "expansion": "улав • (ulav)",
      "name": "head"
    }
  ],
  "lang": "Erzya",
  "lang_code": "myv",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Erzya entries with incorrect language header",
        "Erzya lemmas",
        "Erzya nouns",
        "Erzya terms borrowed from Chuvash",
        "Erzya terms borrowed from Turkic languages",
        "Erzya terms derived from Chuvash",
        "Erzya terms derived from Turkic languages",
        "Pages with 2 entries",
        "Pages with entries",
        "Requests for pronunciation in Erzya entries"
      ],
      "glosses": [
        "wagon"
      ],
      "links": [
        [
          "wagon",
          "wagon"
        ]
      ]
    }
  ],
  "word": "улав"
}