/ Dictionary / Index F folder: Meaning and Definition of Find definitions for: fold•er Pronunciation: (fōl'dur), [key] — n. a person or thing that folds. a printed sheet, as a circular or timetable, folded into a number of usually pagelike sections. 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. See also: folder (Thesaurus) fold-down folderol Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language