1. to insert blank leaves or pages between the leaves of a book or manuscript
Usage: transitive verb; often used in bookbinding and manuscript preparation
2. to alternate or intersperse one thing with another
Usage: transitive verb; less common than the bookbinding sense

Examples

• The conservator decided to interleaf the old manuscript with acid-free paper to protect it.
• Blank pages were interleafed throughout the journal to allow room for annotations.
• The printer interleafed tissue paper between the color plates to prevent smudging.
• She interleafed the two documents with divider sheets for organization.
• The bookbinder carefully interleafed each signature with protective material.