black rot

1. 1.

   a fungous disease causing darkening and decay of the leaves of fruits and vegetables

   Broaderplant disease

Questions about black rot

What does black rot mean?

black rot means "a fungous disease causing darkening and decay of the leaves of fruits and vegetables".

Is black rot a common word?

black rot is banded "Uncommon" — turns up in careful writing rather than conversation. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.