Hypertext Webster Gateway: "duramen"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Duramen \Du*ra"men\, n. [L., hardness, a hardened, i. e.,
ligneous, vine branch, fr. durare to harden. See {Dure}.]
(Bot.)
The heartwood of an exogenous tree.
From WordNet (r) 1.7 (wn)
duramen
n : the older inactive central wood of a tree or woody plant;
usually darker and denser than the surrounding sapwood
[syn: {heartwood}]
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