"vä" meaning in Estonian

{
  "etymology_text": "A reduction of või.",
  "head_templates": [
    {
      "args": {
        "1": "et",
        "2": "conjunction"
      },
      "expansion": "vä",
      "name": "head"
    }
  ],
  "lang": "Estonian",
  "lang_code": "et",
  "pos": "conj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Estonian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "Do I have to come?",
          "text": "Kas ma pean tulema vä?",
          "type": "example"
        },
        {
          "english": "Do I have to come?",
          "text": "Ma pean tulema vä?",
          "type": "example"
        }
      ],
      "glosses": [
        "interrogative particle (placed at the end of the sentence)"
      ],
      "id": "en-vä-et-conj-oZjWCbm4",
      "links": [
        [
          "interrogative",
          "interrogative#English"
        ],
        [
          "particle",
          "particle#English"
        ]
      ],
      "raw_glosses": [
        "(colloquial, nonstandard) interrogative particle (placed at the end of the sentence)"
      ],
      "tags": [
        "colloquial",
        "nonstandard"
      ]
    }
  ],
  "word": "vä"
}

{
  "etymology_text": "A reduction of või.",
  "head_templates": [
    {
      "args": {
        "1": "et",
        "2": "conjunction"
      },
      "expansion": "vä",
      "name": "head"
    }
  ],
  "lang": "Estonian",
  "lang_code": "et",
  "pos": "conj",
  "senses": [
    {
      "categories": [
        "Estonian colloquialisms",
        "Estonian conjunctions",
        "Estonian entries with incorrect language header",
        "Estonian lemmas",
        "Estonian nonstandard terms",
        "Estonian terms with usage examples",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "english": "Do I have to come?",
          "text": "Kas ma pean tulema vä?",
          "type": "example"
        },
        {
          "english": "Do I have to come?",
          "text": "Ma pean tulema vä?",
          "type": "example"
        }
      ],
      "glosses": [
        "interrogative particle (placed at the end of the sentence)"
      ],
      "links": [
        [
          "interrogative",
          "interrogative#English"
        ],
        [
          "particle",
          "particle#English"
        ]
      ],
      "raw_glosses": [
        "(colloquial, nonstandard) interrogative particle (placed at the end of the sentence)"
      ],
      "tags": [
        "colloquial",
        "nonstandard"
      ]
    }
  ],
  "word": "vä"
}