"widow's cap" meaning in English

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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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        {
          "kind": "topical",
          "langcode": "en",
          "name": "Headwear",
          "orig": "en:Headwear",
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            "Clothing",
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            "Fundamental"
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      "glosses": [
        "A cap worn as a sign of mourning by a woman after the death of her husband."
      ],
      "id": "en-widow's_cap-en-noun-rf0KMZMA",
      "links": [
        [
          "mourning",
          "mourning"
        ],
        [
          "woman",
          "woman"
        ],
        [
          "husband",
          "husband"
        ]
      ],
      "raw_glosses": [
        "(historical) A cap worn as a sign of mourning by a woman after the death of her husband."
      ],
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        "widow's cap"
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  "word": "widow's cap"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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        "en:Headwear"
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      "glosses": [
        "A cap worn as a sign of mourning by a woman after the death of her husband."
      ],
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        [
          "mourning",
          "mourning"
        ],
        [
          "woman",
          "woman"
        ],
        [
          "husband",
          "husband"
        ]
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        "(historical) A cap worn as a sign of mourning by a woman after the death of her husband."
      ],
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  "word": "widow's cap"
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