"mastellaio" meaning in Italian

{
  "forms": [
    {
      "form": "mastellai",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "mastellaio m (plural mastellai)",
      "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"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "a maker of wooden tubs used at harvest time"
      ],
      "id": "en-mastellaio-it-noun-G1UZuaOV",
      "related": [
        {
          "word": "mastello"
        }
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "word": "mastellaio"
}

{
  "forms": [
    {
      "form": "mastellai",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "mastellaio m (plural mastellai)",
      "name": "it-noun"
    }
  ],
  "lang": "Italian",
  "lang_code": "it",
  "pos": "noun",
  "related": [
    {
      "word": "mastello"
    }
  ],
  "senses": [
    {
      "categories": [
        "Italian countable nouns",
        "Italian entries with incorrect language header",
        "Italian lemmas",
        "Italian masculine nouns",
        "Italian nouns",
        "Italian nouns with red links in their headword lines",
        "Pages with 1 entry"
      ],
      "glosses": [
        "a maker of wooden tubs used at harvest time"
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "word": "mastellaio"
}