a person who is in charge of or works in a library Topics Jobsb2图书馆馆长;图书管理员 Oxford Collocations Dictionaryadjective- professional
- qualified
- chief
- …
Word Originlate 17th cent. (denoting a scribe or copyist): from Latin librarius ‘relating to books’, (used as a noun) ‘bookseller, scribe’, + -an.