Wiktionary
n. A file for storing documents that opens by expanding like an accordion.
Usage examples of "accordion file".
He scooped up the grocery bag and the accordion file and put both on the floor, then took the papers from my hand and put them on the floor as well.
I went into my office, stashed the accordion file in a drawer, copied down the number and returned.
Hoke's messy desk was littered with a half dozen sheets of bond typewriter paper, supplementary reports, and a red accordion file.
He showed us to -a sitting area before a window overlooking the Rh8ne while Talley collected a thick accordion file from a table.
Brown accordion file cases were stacked up everywhere, his desk top virtually invisible.
The morning was bright, the air cool and clean as I followed the sidewalk along Leigh Street and turned south on Ninth, passing police headquarters, my pocketbook over my shoulder and an accordion file tucked under an arm.
She'd been clipping coupons since the boys had come to live with her, and every few weeks she clipped another batch and added them to a large accordion file.
Next came an accordion file folder filled with documents, and finally a stack of letters, bound by a pale-blue elastic band.