from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The newly formed outer wood located just inside the vascular cambium of a tree trunk and active in the conduction of water. Sapwood is usually lighter in color than heartwood.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The wood just under the bark of a stem or branch, different in color from the heartwood
from the GNU version of the Collaborative International Dictionary of English
- n. The alburnum, or part of the wood of any exogenous tree next to the bark, being that portion of the tree through which the sap flows most freely; -- distinguished from
from The Century Dictionary and Cyclopedia
- n. Alburnum.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. newly formed outer wood lying between the cambium and the heartwood of a tree or woody plant; usually light colored; active in water conduction
Sorry, no etymologies found.