Or`thop*n"ea (?), Or*thop"ny (?), n. [L. orthopnoea, Gr. ; straight, right + to breathe: cf. F. orthopn'ee.] Med.

Specifically, a morbid condition in which respiration can be performed only in an erect posture; by extension, any difficulty of breathing.

 

© Webster 1913.

Log in or registerto write something here or to contact authors.