Bible Dictionaries
Orthopny

Webster's Dictionary

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

Bibliography Information
Webster, Noah. Entry for 'Orthopny'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​o/orthopny.html. 1828.