Orthopny

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Orthopnoea \Or`thop*n[oe]"a\, Orthopny \Or*thop"ny\, n. [L.
     orthopnoea, Gr. ?; 'orqo`sstraight, right + pnei^n to
     breathe: cf. F. orthopn['e]e.] (Med.)
     Specifically, a morbid condition in which respiration can be
     performed only in an erect posture; by extension, any
     difficulty of breathing.


     [1913 Webster]