"баш" meaning in Tatar

{
  "etymology_templates": [
    {
      "args": {
        "1": "tt",
        "2": "trk-pro",
        "3": "*baĺč",
        "t": "head"
      },
      "expansion": "Proto-Turkic *baĺč (“head”)",
      "name": "inh"
    }
  ],
  "etymology_text": "From Proto-Turkic *baĺč (“head”).",
  "forms": [
    {
      "form": "baş",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "tt",
        "2": "noun",
        "tr": "baş"
      },
      "expansion": "баш • (baş)",
      "name": "head"
    }
  ],
  "lang": "Tatar",
  "lang_code": "tt",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "_dis": "95 5",
          "kind": "other",
          "name": "Tatar entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "96 4",
          "kind": "other",
          "name": "Tatar terms with redundant transliterations",
          "parents": [
            "Terms with redundant transliterations",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "head"
      ],
      "id": "en-баш-tt-noun-ny5tM6Nx",
      "links": [
        [
          "head",
          "head"
        ]
      ]
    },
    {
      "glosses": [
        "boss"
      ],
      "id": "en-баш-tt-noun-pefAAkQ3",
      "links": [
        [
          "boss",
          "boss"
        ]
      ]
    }
  ],
  "word": "баш"
}

{
  "categories": [
    "Tatar entries with incorrect language header",
    "Tatar lemmas",
    "Tatar nouns",
    "Tatar terms derived from Proto-Turkic",
    "Tatar terms inherited from Proto-Turkic",
    "Tatar terms with redundant transliterations"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "tt",
        "2": "trk-pro",
        "3": "*baĺč",
        "t": "head"
      },
      "expansion": "Proto-Turkic *baĺč (“head”)",
      "name": "inh"
    }
  ],
  "etymology_text": "From Proto-Turkic *baĺč (“head”).",
  "forms": [
    {
      "form": "baş",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "tt",
        "2": "noun",
        "tr": "baş"
      },
      "expansion": "баш • (baş)",
      "name": "head"
    }
  ],
  "lang": "Tatar",
  "lang_code": "tt",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "head"
      ],
      "links": [
        [
          "head",
          "head"
        ]
      ]
    },
    {
      "glosses": [
        "boss"
      ],
      "links": [
        [
          "boss",
          "boss"
        ]
      ]
    }
  ],
  "word": "баш"
}