"porkpie hat" meaning in English

{
  "forms": [
    {
      "form": "porkpie hats",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "porkpie hat (plural porkpie hats)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "pork pie hat"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English 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"
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      ],
      "examples": [
        {
          "ref": "2014 February 12, Carol Vogel, “In London, an Auction of Arte Povera Yields Rich Results”, in The New York Times, →ISSN",
          "text": "One mysterious collector wearing a black porkpie hat enthusiastically bid on many of the best Arte Povera works and ended up buying several by Boetti.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Alternative spelling of pork pie hat"
      ],
      "id": "en-porkpie_hat-en-noun-d~hFXyKH",
      "links": [
        [
          "pork pie hat",
          "pork pie hat#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "porkpie hat"
}

{
  "forms": [
    {
      "form": "porkpie hats",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "porkpie hat (plural porkpie hats)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "pork pie hat"
        }
      ],
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations",
        "Pages with 1 entry"
      ],
      "examples": [
        {
          "ref": "2014 February 12, Carol Vogel, “In London, an Auction of Arte Povera Yields Rich Results”, in The New York Times, →ISSN",
          "text": "One mysterious collector wearing a black porkpie hat enthusiastically bid on many of the best Arte Povera works and ended up buying several by Boetti.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Alternative spelling of pork pie hat"
      ],
      "links": [
        [
          "pork pie hat",
          "pork pie hat#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "porkpie hat"
}