Definition of internal cork
1 : a virus disease of sweet potatoes characterized principally by the small brown to black corky spots which develop within the roots becoming prominent after harvest and storage
2 : cork 5
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 internal cork? Please tell us where you read or heard it (including the quote, if possible).