Cite
 

Meaning of blackfire

black•fire

Pronunciation: (blak'fīr"), [key]
— n. Plant Pathol.
  1. a disease of tobacco, characterized by angular, dark lesions on the leaves, caused by a bacterium, Pseudomonas angulata.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.