- a lung disorder caused by inhalation of moldy hay dust, marked by shortness of breath, dry cough, and weight loss.
Origin of farmer's lung
First recorded in 1940–45
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- inflammation of the alveoli of the lungs caused by an allergic response to fungal spores in hay
- An occupational disease characterized by fever and dyspnea, caused by inhalation of organic dust from moldy hay containing spores of actinomycetes and certain fungi.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.