All of the documents, papers, notes, etc. that are contained in a folder. / All of the electronic files contained in a folder or directory.

plural of folderful

An organizer that papers are kept in, usually with an index tab, to be stored as a single unit in a filing cabinet.

plural of folder

Alternative spelling of folderol

(computing) A file system directory which is monitored by software so that any new files arriving in it can be processed.

plural of hot folder

plural of bone folder

Alternative spelling of bonefolder

(dated) A kind of paperknife; a thin, flat blade of ivory, etc. for cutting open the leaves of books and other folded papers.