"rash fever" meaning in English

{
  "forms": [
    {
      "form": "rash fevers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "rash fever (plural rash fevers)",
      "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"
        }
      ],
      "examples": [
        {
          "ref": "1790, James Boswell, edited by Danziger & Brady, Boswell: The Great Biographer, Yale, published 1989, page 31",
          "text": "I dined at my brother T.D.'s, where Veronica and Jamie should have been, but they were both ill, Veronica of a cold, Jamie of the rash fever.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A type of feverish illness accompanied by a rash."
      ],
      "id": "en-rash_fever-en-noun-CSH3Fw6P",
      "links": [
        [
          "feverish",
          "feverish"
        ],
        [
          "rash",
          "rash"
        ]
      ],
      "raw_glosses": [
        "(obsolete) A type of feverish illness accompanied by a rash."
      ],
      "tags": [
        "obsolete"
      ]
    }
  ],
  "word": "rash fever"
}

{
  "forms": [
    {
      "form": "rash fevers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "rash fever (plural rash fevers)",
      "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",
        "English terms with obsolete senses",
        "English terms with quotations"
      ],
      "examples": [
        {
          "ref": "1790, James Boswell, edited by Danziger & Brady, Boswell: The Great Biographer, Yale, published 1989, page 31",
          "text": "I dined at my brother T.D.'s, where Veronica and Jamie should have been, but they were both ill, Veronica of a cold, Jamie of the rash fever.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A type of feverish illness accompanied by a rash."
      ],
      "links": [
        [
          "feverish",
          "feverish"
        ],
        [
          "rash",
          "rash"
        ]
      ],
      "raw_glosses": [
        "(obsolete) A type of feverish illness accompanied by a rash."
      ],
      "tags": [
        "obsolete"
      ]
    }
  ],
  "word": "rash fever"
}