Pronunciation: (fōl'dur), [key]
1. a person or thing that folds.
2. a printed sheet, as a circular or timetable, folded into a number of usually pagelike sections.
3. a folded sheet of light cardboard used to cover or hold papers, letters, etc., as in a file.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.