Also found in: Medical.
Any of various diseases of unknown cause, especially a disease of peaches and other stone fruits thought to be caused by a phytoplasma transmitted by leafhoppers.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.