Sapwood (noun)

1. The living outermost wood of a tree trunk or branch that is responsible for transporting water and nutrients from the roots to the crown.
2. The lighter-colored wood found between the bark and the heartwood of a tree.

Origin:

From the words "sap" meaning the fluid that circulates in the vascular system of a plant, and "wood" meaning the hard fibrous material that forms the trunk and branches of a tree.

Examples:

1. The sapwood of the tree was used to make the wooden planks for the house.
2. The sapwood is the layer of wood that is responsible for transporting water and nutrients from the roots to the crown of the tree.
3. The sapwood is the part of the tree that is most vulnerable to damage from insects and disease.
4. Sapwood is the lighter-colored wood found between the bark and the heartwood of a tree.
5. The carpenter used a saw to cut through the sapwood and into the heartwood of the tree.