- to provide blank leaves in (a book) for notes or written comments.
- to insert blank leaves between (the regular printed leaves).
- to insert something alternately and regularly between the pages or parts of: Interleave the eight-page form with carbon paper.
- to insert (material) alternately and regularly between the pages or parts of something else: Interleave carbon paper between the pages of the form.
- Computers.
- to arrange (an operation) so that two or more programs, sets of instructions, etc., are performed in an alternating fashion.
- to mix (data and control characters) in a single operation.
- to intersperse (with), esp alternately, as the illustrations in a book (with protective leaves)
- to provide (a book) with blank leaves for notes, etc, or to protect illustrations
