'Hemoptysis' definitions:

Definition of 'hemoptysis'

From: WordNet
noun
Coughing up blood from the respiratory tract; usually indicates a severe infection of the bronchi or lungs [syn: hemoptysis, haemoptysis]

Definition of 'Hemoptysis'

From: GCIDE
  • Hemoptysis \He*mop"ty*sis\, n. [NL., fr. Gr. a"i^ma blood + ? to spit: cf. F. h['e]moptysie.] (Med.) The expectoration of blood, due usually to hemorrhage from the mucous membrane of the lungs. [1913 Webster]