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.

(especially US, uncommon) Single file.

A half-round file or rasp (being a flat file on one side, and a round file on the other); typically having coarse teeth. / A file of intermediate cut, neither very coarse nor very fine.

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