WordWeb Online

1. The system of numbering pages
   - pagination, page number, paging
    
2. A sheet of any written or printed material (especially in a manuscript or book)
   - leaf
    
3. A book (or manuscript) consisting of large sheets of paper folded in the middle to make two leaves or four pages
   "the first folio of Shakespeare's plays"

Derived forms: folios

Type of: book, number, piece of paper, sheet, sheet of paper, volume

Part of: black and white, page, written communication, written language

Encyclopedia: Folio