A three-cornered file, such as is used for sharpening saw teeth.

(military) Single file with a short distance between the soldiers.

A double convex file, used in dressing out the arms or crosses of fine wheels.

A physical system for organizing documents, as in a library or office. / (computing) A method of organizing blocks of data on a storage device into files and directories.

A piece of office furniture composed of drawers or shelves sized to standard file folder widths, traditionally used for storing documents in order.

A computer file containing the zipped (compressed) contents of one or more files; a kind of compressed archive.

(Internet) A user's file listing the users of a newsgroup whose postings are to be ignored, or other criteria for ignoring posts.

(Internet) To add (a user) to a kill file.

(programming) A file, usually in the form of source code, that is automatically included in another source file by the compiler. / (programming) A file that contains declarations but no implementations.

plural of file photograph