perennial canker


Definition of perennial canker

  1. :  a canker that lives over from one season to the next; specifically :  a serious disease of apples caused by a fungus (Gloeosporium perennans) and characterized by cankers on the trunk and limbs

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.

Join MWU now and get access to America’s largest dictionary, with:

  • 300,000 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 perennial canker? Please tell us where you read or heard it (including the quote, if possible).


a trip made at another's expense

Get Word of the Day daily email!