- designed to open out for use by folding: a sofa with a foldout cot inside
- Printing A folded insert or section, as of a cover, whose full size exceeds that of the regular page.
- A piece or part, as of furniture, that folds out or down from a closed position.
- A gatefold
- That folds out from a closed position
- a foldout map
- a foldout book