from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A combination of lignin and cellulose that strengthens woody plant cells.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The combination of lignin and cellulose in the structural cells of woody plants.
from The Century Dictionary and Cyclopedia
- n. The material of which woody tissue principally consists.
Sorry, no etymologies found.