WordReference Random House Unabridged Dictionary of American English © 2025
fan•fold
(fan′fōld′),USA pronunciation n.
adj.
- a pad or tablet of invoices, bills, blank sheets, etc., interleaved with carbon paper for making a copy or copies of the writing or typing on the uppermost leaf.
adj.
- (of a pad or tablet of invoices, bills, blank sheets, etc.) made up in such a form.
- Computingpertaining to continuous-form paper, folded like a fan or accordion so that it will stack.
- fan1 + fold1 1940–45