"رأس كار" meaning in Ottoman Turkish

{
  "etymology_templates": [
    {
      "args": {
        "1": "ota",
        "2": "رأس",
        "3": "كار"
      },
      "expansion": "رأس (re's) + كار (kâr)",
      "name": "af"
    }
  ],
  "etymology_text": "From رأس (re's) + كار (kâr).",
  "forms": [
    {
      "form": "re'sikâr",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ota",
        "2": "noun",
        "tr": "re'sikâr"
      },
      "expansion": "رأس كار • (re'sikâr)",
      "name": "head"
    }
  ],
  "lang": "Ottoman Turkish",
  "lang_code": "ota",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Ottoman Turkish 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"
        }
      ],
      "glosses": [
        "highest authority in an organization"
      ],
      "id": "en-رأس_كار-ota-noun-cxni9dss"
    }
  ],
  "word": "رأس كار"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "ota",
        "2": "رأس",
        "3": "كار"
      },
      "expansion": "رأس (re's) + كار (kâr)",
      "name": "af"
    }
  ],
  "etymology_text": "From رأس (re's) + كار (kâr).",
  "forms": [
    {
      "form": "re'sikâr",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ota",
        "2": "noun",
        "tr": "re'sikâr"
      },
      "expansion": "رأس كار • (re'sikâr)",
      "name": "head"
    }
  ],
  "lang": "Ottoman Turkish",
  "lang_code": "ota",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Ottoman Turkish compound terms",
        "Ottoman Turkish entries with incorrect language header",
        "Ottoman Turkish lemmas",
        "Ottoman Turkish multiword terms",
        "Ottoman Turkish nouns",
        "Pages with 1 entry"
      ],
      "glosses": [
        "highest authority in an organization"
      ]
    }
  ],
  "word": "رأس كار"
}