1. an assistant librarian or deputy librarian who works under the supervision of a head librarian

Examples

• The sublibrarian helped students locate research materials in the reference section.
• After five years as a sublibrarian, she was promoted to head librarian.
• The university hired two sublibarians to assist with the growing collection.
• As sublibrarian, his duties included cataloging new books and managing interlibrary loans.
• The sublibrarian organized the children’s reading program during summer break.