A machine or person that folds things.
An organizer that papers are kept in, usually with an index tab, to be stored as a single unit in a filing cabinet.
A folding knife, typically a pocketknife.
A virtual container in a computer's file system, in which files and other folders may be stored. The files and subfolders in a folder are usually related.
A person who operates machinery.
A constructor of machines and engines; one versed in the principles of machines.
One skilled in the use of machine tools for fashioning metal parts or tools out of metal.
A person employed to shift scenery in a theater.