'Hematemesis' definitions:

Definition of 'hematemesis'

(from WordNet)
noun
Vomiting blood [syn: hematemesis, haematemesis]

Definition of 'Hematemesis'

From: GCIDE
  • Hematemesis \Hem`a*tem"e*sis\, n. [NL., fr. Gr. a"i^ma, a"i`matos, blood + ? a vomiting, fr. ? to vomit.] (Med.) A vomiting of blood. [1913 Webster]