accordion file
variants: or accordion folder
: a folder that is used for the organization and storage of documents and files and that has pleated sides which allow expansion of the folder
… he is riffling through his ever-present accordion file of documents, speeches, articles …— John Colapinto, Rolling Stone, 13 Sept. 2001 Organize your financial records. Buy an accordion folder and store your important papers … — Dave Burge, El Paso Times (Texas), 5 Dec. 2005
First Known Use of accordion file
1892, in the meaning defined above
Dictionary Entries near accordion file