folder

nounattested in dialogue

United Kingdom//ˈfəʊldə//
United States//ˈfoʊldɚ//

An organizer that papers are kept in, usually with an index tab, to be stored as a single unit in a filing cabinet.

noun

1
An organizer that papers are kept in, usually with an index tab, to be stored as a single unit in a filing cabinet.
I keep all my schoolwork in a yellow folder.
2
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.
My essays are in the folder named "Schoolwork".
3
A machine or person that folds things.
4
A folding knife, typically a folding pocketknife.
A funny name for a knife, the Needs Work folder is purpose-built as a working folder, and includes a straight, plain-edge, modified-wharncliffe blade, and a comfortable, ergonomic handle.

Etymology

From fold + -er.

Forms

plural: folders

FOIL · An acronym for the algorithm for multiplying two binomials.fold · To bend (any thin material, such as paper) over so that it…folded · Having a fold or folds; having undergone folding.

folder · An organizer that papers are kept in, usually with an index tab, to be stored as a single unit in a filing cabinet.

folding · Designed to fold foley · The creation of sound effects, and their addition to film and…Foley · A surname from Irish.

The neighbouring pages — Alphabetical order follows the rules of the language, not byte values: an accent decides only between two otherwise identical words, and Spanish files Ñ as a letter of its own.