binder

中文： 活页夹、文件夹、装订机、联结器

1. Someone who binds.
2. Someone who binds books; a bookbinder.
3. A cover or holder for unbound papers, pages, etc.
4. Something that is used to bind things together, often referring to the mechanism that accomplishes this for a book.
5. A software mechanism that performs binding.
6. A program or routine that attaches malware to an existing harmless file on the target system.
7. A dossier.
8. A machine used in harvesting which cuts the stalks of a crop and then ties them into a bundle or sheaf.

复数 binders