a leaf of a book or manuscript / A page of a book, that is, one side of a leaf of a book.

to put a serial number on each folio or page of (a book); to page

plural of folio

present participle of folio

simple past tense and past participle of folio

(paper) A flat sheet of writing paper, usually 17 by 24 inches.

The 1623 published collection of William Shakespeare's plays. The first such collection printed in folio format.

plural of first folio

plural of folio post

leafy or leaf-like.