In trees, the white and soft parts of wood between the inner bark and the heart-wood.
The white and soft part of the wood, or sap-wood, between the inner bark and the hard wood.
Sapwood or splintwood, the soft white substance between inner bark (cambium) and true wood (duramen); the outer young wood of a dicotyledonous stem.
n. [Latin] The softer part of wood next to the bark, called sap-wood.
