n, pl  -no*ses   :  an occupational respiratory disease associated with inhalation of cotton, flax, or hemp dust and characterized initially by chest tightness, shortness of breath, and cough, and eventually by irreversible lung disease - called also brown lung , brown lung disease , mill fever  .
 
 
 
Published under license with Merriam-Webster, Incorporated.  © 1997-2024.