"black fever" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "visceral leishmaniasis"
      },
      "expansion": "(visceral leishmaniasis):",
      "name": "sense"
    }
  ],
  "etymology_text": "* (visceral leishmaniasis): Compare kala-azar.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "black fever (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Diseases",
          "orig": "en:Diseases",
          "parents": [
            "Disease",
            "Health",
            "Body",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Insect-borne diseases",
          "orig": "en:Insect-borne diseases",
          "parents": [
            "Vector-borne diseases",
            "Diseases",
            "Disease",
            "Health",
            "Body",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Trypanosomal diseases",
          "orig": "en:Trypanosomal diseases",
          "parents": [
            "Diseases",
            "Disease",
            "Health",
            "Body",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "_dis": "83 17",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "84 16",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "88 12",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "Visceral leishmaniasis."
      ],
      "id": "en-black_fever-en-noun-zyZA3SW2",
      "links": [
        [
          "pathology",
          "pathology"
        ],
        [
          "Visceral leishmaniasis",
          "visceral leishmaniasis"
        ]
      ],
      "raw_glosses": [
        "(pathology) Visceral leishmaniasis."
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "medicine",
        "pathology",
        "sciences"
      ]
    },
    {
      "categories": [],
      "examples": [
        {
          "ref": "1964, James Baldwin, Blues for Mister Charlie, Dell, act 3, page 140:",
          "text": "What name could I have called? Richard would say that you've got—black fever.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Synonym of jungle fever"
      ],
      "id": "en-black_fever-en-noun-Mc~FlGbQ",
      "links": [
        [
          "jungle fever",
          "jungle fever#English"
        ]
      ],
      "raw_glosses": [
        "(slang) Synonym of jungle fever"
      ],
      "related": [
        {
          "_dis1": "0 100",
          "word": "Asian fever"
        },
        {
          "_dis1": "0 100",
          "word": "blue fever"
        },
        {
          "_dis1": "0 100",
          "word": "jungle fever"
        },
        {
          "_dis1": "0 100",
          "word": "white fever"
        },
        {
          "_dis1": "0 100",
          "word": "yellow fever"
        }
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "jungle fever"
        }
      ],
      "tags": [
        "slang",
        "uncountable"
      ]
    }
  ],
  "word": "black fever"
}

{
  "categories": [
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English nouns",
    "English uncountable nouns",
    "Pages with 1 entry",
    "Pages with entries"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "visceral leishmaniasis"
      },
      "expansion": "(visceral leishmaniasis):",
      "name": "sense"
    }
  ],
  "etymology_text": "* (visceral leishmaniasis): Compare kala-azar.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "black fever (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "Asian fever"
    },
    {
      "word": "blue fever"
    },
    {
      "word": "jungle fever"
    },
    {
      "word": "white fever"
    },
    {
      "word": "yellow fever"
    }
  ],
  "senses": [
    {
      "categories": [
        "en:Diseases",
        "en:Insect-borne diseases",
        "en:Trypanosomal diseases"
      ],
      "glosses": [
        "Visceral leishmaniasis."
      ],
      "links": [
        [
          "pathology",
          "pathology"
        ],
        [
          "Visceral leishmaniasis",
          "visceral leishmaniasis"
        ]
      ],
      "raw_glosses": [
        "(pathology) Visceral leishmaniasis."
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "medicine",
        "pathology",
        "sciences"
      ]
    },
    {
      "categories": [
        "English slang",
        "English terms with quotations"
      ],
      "examples": [
        {
          "ref": "1964, James Baldwin, Blues for Mister Charlie, Dell, act 3, page 140:",
          "text": "What name could I have called? Richard would say that you've got—black fever.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Synonym of jungle fever"
      ],
      "links": [
        [
          "jungle fever",
          "jungle fever#English"
        ]
      ],
      "raw_glosses": [
        "(slang) Synonym of jungle fever"
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "jungle fever"
        }
      ],
      "tags": [
        "slang",
        "uncountable"
      ]
    }
  ],
  "word": "black fever"
}