(uncountable) Material with embedded wire teeth used for cleaning files; card-clothing / (countable) A tool for removing debris from between the teeth of a file.

plural of file section

(media) A photograph that is representative of the subject of a news story, but that has been selected from a news organization's existing photo library.

plural of closed file

plural of open file

(chess) A file with pawns of both colors on it.

(chess) A file with no pawns of either color on it.

(idiomatic) A compilation of negative gossip or facts about someone.

plural of sidecar file

(computing) A file that stores data, such as metadata, which is not supported by the source file format.