"sheath cake" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "sheet cake"
      },
      "expansion": "sheet cake",
      "name": "m"
    },
    {
      "args": {
        "1": "en",
        "2": "sheet"
      },
      "expansion": "sheet",
      "name": "m"
    },
    {
      "args": {
        "1": "en",
        "2": "shit"
      },
      "expansion": "shit",
      "name": "m"
    }
  ],
  "etymology_text": "Alteration of sheet cake, possibly because in some Southern accents sheet sounds like shit. First attested in the mid or late twentieth century.",
  "forms": [
    {
      "form": "sheath cakes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "sheath cake (plural sheath cakes)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "sheet cake"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Southern US English",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Alternative form of sheet cake"
      ],
      "id": "en-sheath_cake-en-noun-xAxBj0FW",
      "links": [
        [
          "sheet cake",
          "sheet cake#English"
        ]
      ],
      "raw_glosses": [
        "(Southern US) Alternative form of sheet cake"
      ],
      "tags": [
        "Southern-US",
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "sheath cake"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "sheet cake"
      },
      "expansion": "sheet cake",
      "name": "m"
    },
    {
      "args": {
        "1": "en",
        "2": "sheet"
      },
      "expansion": "sheet",
      "name": "m"
    },
    {
      "args": {
        "1": "en",
        "2": "shit"
      },
      "expansion": "shit",
      "name": "m"
    }
  ],
  "etymology_text": "Alteration of sheet cake, possibly because in some Southern accents sheet sounds like shit. First attested in the mid or late twentieth century.",
  "forms": [
    {
      "form": "sheath cakes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "sheath cake (plural sheath cakes)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "sheet cake"
        }
      ],
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "Southern US English"
      ],
      "glosses": [
        "Alternative form of sheet cake"
      ],
      "links": [
        [
          "sheet cake",
          "sheet cake#English"
        ]
      ],
      "raw_glosses": [
        "(Southern US) Alternative form of sheet cake"
      ],
      "tags": [
        "Southern-US",
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "sheath cake"
}