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]

	

	hemoptysis
    n 1: coughing up blood from the respiratory tract; usually
         indicates a severe infection of the bronchi or lungs [syn:
         hemoptysis, haemoptysis]