Definition of heat canker
: a canker of plant stems caused by high temperatures especially of the surface soil flax is subject to heat canker
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 heat canker? Please tell us where you read or heard it (including the quote, if possible).