bottom rot

1. 1.

   fungous disease of lettuce that first rots lower leaves and spreads upward

   Broaderplant disease

Questions about bottom rot

What does bottom rot mean?

bottom rot means "fungous disease of lettuce that first rots lower leaves and spreads upward".

Is bottom rot a common word?

bottom rot is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.