1. Plural of liber; in ancient Rome, the inner bark of a tree, especially the linden or lime tree, used for writing or making rope.
Usage: historical; chiefly used in classical or academic contexts
2. Plural of liber; books or literary works (archaic or formal usage).
Usage: archaic; literary

Examples

• Roman scribes wrote on libers before the widespread adoption of papyrus.
• The ancient texts were inscribed on libers and preserved for centuries.
• Scholars studied the libers housed in the monastery library.
• The libers of classical authors formed the foundation of medieval education.