"olan" meaning in Turkish

{
  "head_templates": [
    {
      "args": {
        "1": "tr",
        "2": "participle"
      },
      "expansion": "olan",
      "name": "head"
    }
  ],
  "lang": "Turkish",
  "lang_code": "tr",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 7 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Turkish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "The car that is in my yard is not mine - it belongs to a leasing firm.",
          "text": "Ön bahçemde olan araba benim değil - bir kiralama firmasına aittir.",
          "type": "example"
        }
      ],
      "form_of": [
        {
          "word": "olmak"
        }
      ],
      "glosses": [
        "subject non-past participle of olmak"
      ],
      "id": "en-olan-tr-verb-5Ztdipl1",
      "links": [
        [
          "olmak",
          "olmak#Turkish"
        ]
      ],
      "synonyms": [
        {
          "word": "-ki"
        }
      ],
      "tags": [
        "form-of",
        "non-past",
        "participle",
        "subjective"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/oɫˈɑn/"
    }
  ],
  "word": "olan"
}

{
  "head_templates": [
    {
      "args": {
        "1": "tr",
        "2": "participle"
      },
      "expansion": "olan",
      "name": "head"
    }
  ],
  "lang": "Turkish",
  "lang_code": "tr",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "Pages with 7 entries",
        "Pages with entries",
        "Turkish entries with incorrect language header",
        "Turkish non-lemma forms",
        "Turkish participles",
        "Turkish terms with usage examples"
      ],
      "examples": [
        {
          "english": "The car that is in my yard is not mine - it belongs to a leasing firm.",
          "text": "Ön bahçemde olan araba benim değil - bir kiralama firmasına aittir.",
          "type": "example"
        }
      ],
      "form_of": [
        {
          "word": "olmak"
        }
      ],
      "glosses": [
        "subject non-past participle of olmak"
      ],
      "links": [
        [
          "olmak",
          "olmak#Turkish"
        ]
      ],
      "synonyms": [
        {
          "word": "-ki"
        }
      ],
      "tags": [
        "form-of",
        "non-past",
        "participle",
        "subjective"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/oɫˈɑn/"
    }
  ],
  "word": "olan"
}

{
  "called_from": "form_descriptions/1698",
  "msg": "unrecognized head form: preceded by a noun",
  "path": [
    "olan"
  ],
  "section": "Turkish",
  "subsection": "participle",
  "title": "olan",
  "trace": ""
}