n :  an enzootic usu. fatal toxemia esp. of young cattle caused by toxins produced by an anaerobic soil bacterium of the genus Clostridium (C. chauvoei syn. C. feseri) - called also black quarter , quarter evil , quarter ill , symptomatic anthrax  - compare BLACK DISEASE MALIGNANT EDEMA  .
 
   
 
Published under license with Merriam-Webster, Incorporated.  © 1997-2025.