1. of, relating to, or belonging to a library or collection of books
Usage: formal; rare

Examples

• The bibliothecal collection at the university spans three centuries of rare manuscripts.
• She pursued bibliothecal studies to become a rare books curator.
• The museum's bibliothecal holdings include first editions of classic literature.
• His bibliothecal interests led him to catalog ancient texts.
• The institution maintains strict bibliothecal standards for preservation.