Definitions:

1. The medical term for the vomiting of blood. NOUN
   • The patient was rushed to the hospital after experiencing severe haematemesis, a potential sign of a bleeding ulcer.
2. Vomiting blood. NOUN
   • Esophageal varices are a common cause of haematemesis in individuals with chronic liver disease.

Synonyms:

• blood regurgitation
• gastric hemorrhage
• hematemesis
• vomiting blood