Occurs only in connection with the sixth plague of Egypt ( Exodus 9:9,10 ). In Deuteronomy 28:27,35 , it is called "the botch of Egypt." It seems to have been the fearful disease of black leprosy, a kind of elephantiasis, producing burning ulcers.
Source
- part_of
source-manifest/easton— Easton's Bible Dictionary (PD)