wheat rust definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
a disease of wheat, caused by various rust fungi; esp., any of numerous stem rusts caused by a fungus (Puccinia graminis) harbored by certain barberries
wheat rust definition by American Heritage Dictionary
- A destructive disease of wheat caused by a rust fungus.
- Any of several rust fungi of the genus Puccinia that cause this disease.