rough–bark
rough–bark disease
Definition of rough–bark
1 : any of several virus diseases of woody plants (as cherry, apple, citrus) characterized by generalized roughening and often longitudinal splitting of the bark
2 : a disease of apples that is caused by a fungus (Phomopsis mali) and produces rough cankers on the twigs and branches
3 : a nonparasitic disease of fruit trees (as apples and pears) characterized by a general roughening of the bark and not by local cankers
From the M-W Editors
There's more!
Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.
Start your free trial today and get unlimited access to America's largest dictionary, with:
- More than 250,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
Seen and Heard
What made you want to look up rough–bark? Please tell us where you read or heard it (including the quote, if possible).
Writing? Check your grammar now!