black shank: Meaning and Definition of

black' shank'

Pronunciation: [key]
— Plant Pathol. Plant Pathol.
  1. a disease of tobacco, characterized by wilting and by decayed, blackened roots and stems, caused by a fungus, Phytophthora parasitica nicotianae.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.