noun
- the inner bark of a tree, containing the food-conducting tissue
Usage: botanical
Examples
- The liber transports nutrients from the leaves to other parts of the tree.
- Botanists study the liber to understand how trees distribute food.
- Damage to the liber can severely affect a tree’s health.
- The liber lies just beneath the outer bark of most trees.
- In cross-section, you can see the distinct layers including the liber.