Definition of tomato canker
: a bacterial canker of tomatoes caused by a bacterium (Clavibacter michiganensis michiganensis synonym Corynebacterium michiganense michiganense) and characterized by elongated brown cankers on the stems and sudden wilting of nearly mature plants and by spotting of the maturing fruits
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 tomato canker? Please tell us where you read or heard it (including the quote, if possible).