"haematemesis" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "haemat",
        "3": "emesis"
      },
      "expansion": "haemat- + emesis",
      "name": "prefix"
    }
  ],
  "etymology_text": "haemat- + emesis",
  "forms": [
    {
      "form": "haematemeses",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "-",
        "2": "haematemeses"
      },
      "expansion": "haematemesis (usually uncountable, plural haematemeses)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "hematemesis"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms prefixed with haemat-",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Alternative spelling of hematemesis"
      ],
      "id": "en-haematemesis-en-noun-0OUl6mDF",
      "links": [
        [
          "hematemesis",
          "hematemesis#English"
        ]
      ],
      "raw_glosses": [
        "(British spelling) Alternative spelling of hematemesis"
      ],
      "tags": [
        "UK",
        "alt-of",
        "alternative",
        "uncountable",
        "usually"
      ]
    }
  ],
  "word": "haematemesis"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "haemat",
        "3": "emesis"
      },
      "expansion": "haemat- + emesis",
      "name": "prefix"
    }
  ],
  "etymology_text": "haemat- + emesis",
  "forms": [
    {
      "form": "haematemeses",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "-",
        "2": "haematemeses"
      },
      "expansion": "haematemesis (usually uncountable, plural haematemeses)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "hematemesis"
        }
      ],
      "categories": [
        "British English forms",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English nouns with irregular plurals",
        "English terms prefixed with haemat-",
        "English uncountable nouns"
      ],
      "glosses": [
        "Alternative spelling of hematemesis"
      ],
      "links": [
        [
          "hematemesis",
          "hematemesis#English"
        ]
      ],
      "raw_glosses": [
        "(British spelling) Alternative spelling of hematemesis"
      ],
      "tags": [
        "UK",
        "alt-of",
        "alternative",
        "uncountable",
        "usually"
      ]
    }
  ],
  "word": "haematemesis"
}