from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The gradual dying of plant shoots, starting at the tips, as a result of various diseases or climatic conditions.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The browning and death of a plant shoot starting at the tip, due to either disease or climate conditions
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a disease of plants characterized by the gradual dying of the young shoots starting at the tips and progressing to the larger branches
die + back (Wiktionary)