from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Localized injury or death of the tissues of a woody plant caused by excessive sun in summer and by the combined effects of sun and low temperatures in winter.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Localized damage to the woody tissues of trees caused by bright sunlight
- v. To suffer such damage.
sun + scald (Wiktionary)