rough-bark

noun
variants: or 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

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!
Already a subscriber? Log in.

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).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

readily predictable

Get Word of the Day daily email!

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!