Definify.com

Webster 1913 Edition

Heartwood

Heart′woodˊ

(härt′woŏdˊ)
,
Noun.
The hard, central part of the trunk of a tree, consisting of the old and matured wood, and usually differing in color from the outer layers. It is technically known as
duramen
, and distinguished from the softer
sapwood
or
alburnum
.

Similar Results