Definition of larch canker
: a destructive disease of the larch and to a lesser extent of fir and pine caused by an ascomycetous fungus (Dasyscypha willkommii) that produces flattened depressed cankers on the twigs and branches
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 larch canker? Please tell us where you read or heard it (including the quote, if possible).