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folder

/ˈfɔːldər/ · fol·der
noun
  1. A container or holder for papers, documents, or other items, typically made of paper, cardboard, or plastic. She organized her files into a folder on her computer.
  2. A person who folds or prepares something, especially papers or documents. The folder carefully folded the origami crane.
verb
  1. To fold or prepare something, especially papers or documents. She folded the papers into neat stacks.
Did you know? The term 'folder' has been used in various contexts, including music, where a folder refers to a collection of sheet music or scores.
Written by Lexi Wordsworth, Dictionary Editor 3 lookups Added Aug 1, 2026