vomiting of blood, esp as the result of a bleeding ulcer: Compare haemoptysis
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
How to use haematemesis in a sentence
Ergot is used in therapeutics as a haemostatic, and is very valuable in haemoptysis and sometimes in haematemesis.
Vomiting of blood (haematemesis) is a frequent and important symptom.