"mushroom hat" meaning in English

{
  "etymology_text": "From its resemblance to the cap of a mushroom.",
  "forms": [
    {
      "form": "mushroom hats",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "mushroom hat (plural mushroom hats)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Headwear",
          "orig": "en:Headwear",
          "parents": [
            "Clothing",
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A hat with a downward-tilted brim."
      ],
      "id": "en-mushroom_hat-en-noun-Nemn9c9C",
      "links": [
        [
          "downward",
          "downward"
        ],
        [
          "tilt",
          "tilt"
        ],
        [
          "brim",
          "brim"
        ]
      ],
      "wikipedia": [
        "Isabel Rockefeller Lincoln",
        "mushroom hat"
      ]
    }
  ],
  "sounds": [
    {
      "rhymes": "-æt"
    }
  ],
  "word": "mushroom hat"
}

{
  "etymology_text": "From its resemblance to the cap of a mushroom.",
  "forms": [
    {
      "form": "mushroom hats",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "mushroom hat (plural mushroom hats)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "Rhymes:English/æt",
        "Rhymes:English/æt/3 syllables",
        "en:Headwear"
      ],
      "glosses": [
        "A hat with a downward-tilted brim."
      ],
      "links": [
        [
          "downward",
          "downward"
        ],
        [
          "tilt",
          "tilt"
        ],
        [
          "brim",
          "brim"
        ]
      ],
      "wikipedia": [
        "Isabel Rockefeller Lincoln",
        "mushroom hat"
      ]
    }
  ],
  "sounds": [
    {
      "rhymes": "-æt"
    }
  ],
  "word": "mushroom hat"
}