"tarbusc" meaning in Italian

{
  "etymology_templates": [
    {
      "args": {
        "1": "it",
        "2": "tarbuscio"
      },
      "expansion": "Doublet of tarbuscio",
      "name": "doublet"
    }
  ],
  "etymology_text": "Doublet of tarbuscio",
  "forms": [
    {
      "form": "or uncertain",
      "tags": [
        "plural",
        "unknown"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "?"
      },
      "expansion": "tarbusc m (plural unknown or uncertain)",
      "name": "it-noun"
    }
  ],
  "lang": "Italian",
  "lang_code": "it",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Italian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "\"tall still fez headdress worn by Eritrean & Somali troops in the Italian army\""
      ],
      "id": "en-tarbusc-it-noun-uiLKR1RD",
      "tags": [
        "masculine"
      ]
    }
  ],
  "word": "tarbusc"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "it",
        "2": "tarbuscio"
      },
      "expansion": "Doublet of tarbuscio",
      "name": "doublet"
    }
  ],
  "etymology_text": "Doublet of tarbuscio",
  "forms": [
    {
      "form": "or uncertain",
      "tags": [
        "plural",
        "unknown"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "?"
      },
      "expansion": "tarbusc m (plural unknown or uncertain)",
      "name": "it-noun"
    }
  ],
  "lang": "Italian",
  "lang_code": "it",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Italian doublets",
        "Italian entries with incorrect language header",
        "Italian lemmas",
        "Italian masculine nouns",
        "Italian nouns",
        "Italian nouns with unknown or uncertain plurals"
      ],
      "glosses": [
        "\"tall still fez headdress worn by Eritrean & Somali troops in the Italian army\""
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "word": "tarbusc"
}

{
  "called_from": "form_descriptions/1147",
  "msg": "suspicious related form tags ('plural', 'unknown'): 'or uncertain' in 'tarbusc m (plural unknown or uncertain)'",
  "path": [
    "tarbusc"
  ],
  "section": "Italian",
  "subsection": "noun",
  "title": "tarbusc",
  "trace": ""
}