"birçok" meaning in Turkish

{
  "etymology_templates": [
    {
      "args": {
        "1": "tr",
        "2": "bir",
        "3": "çok"
      },
      "expansion": "Univerbation of bir + çok",
      "name": "univ"
    }
  ],
  "etymology_text": "Univerbation of bir + çok.",
  "head_templates": [
    {
      "args": {
        "1": "tr",
        "2": "determiner"
      },
      "expansion": "birçok",
      "name": "head"
    }
  ],
  "lang": "Turkish",
  "lang_code": "tr",
  "pos": "det",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Turkish determiners",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Turkish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Turkish univerbations",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "Quite a few buildings suffered damage in the earthquake.",
          "text": "Depremde birçok bina hasar gördü.",
          "type": "example"
        }
      ],
      "glosses": [
        "quite a few"
      ],
      "id": "en-birçok-tr-det-nM8QJ5Wt",
      "links": [
        [
          "quite a few",
          "quite a few"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈbiɾ.tʃok/"
    }
  ],
  "word": "birçok"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "tr",
        "2": "bir",
        "3": "çok"
      },
      "expansion": "Univerbation of bir + çok",
      "name": "univ"
    }
  ],
  "etymology_text": "Univerbation of bir + çok.",
  "head_templates": [
    {
      "args": {
        "1": "tr",
        "2": "determiner"
      },
      "expansion": "birçok",
      "name": "head"
    }
  ],
  "lang": "Turkish",
  "lang_code": "tr",
  "pos": "det",
  "senses": [
    {
      "categories": [
        "Turkish determiners",
        "Turkish entries with incorrect language header",
        "Turkish lemmas",
        "Turkish terms with IPA pronunciation",
        "Turkish terms with usage examples",
        "Turkish univerbations"
      ],
      "examples": [
        {
          "english": "Quite a few buildings suffered damage in the earthquake.",
          "text": "Depremde birçok bina hasar gördü.",
          "type": "example"
        }
      ],
      "glosses": [
        "quite a few"
      ],
      "links": [
        [
          "quite a few",
          "quite a few"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈbiɾ.tʃok/"
    }
  ],
  "word": "birçok"
}