Folio

n.	1.	A leaf of a book or manuscript.
	2.	A sheet of paper once folded.
	3.	A book made of sheets of paper each folded once (four pages to the sheet); hence, a book of the largest kind. See Note under Paper.
	4.	(Print.) The page number. The even folios are on the left-hand pages and the odd folios on the right-hand.
	5.	(Bookkeeping) A page of a book; (Bookkeeping) a page in an account book; sometimes, two opposite pages bearing the same serial number.
	6.	(Law) A leaf containing a certain number of words, hence, a certain number of words in a writing, as in England, in law proceedings 72, and in chancery, 90; in New York, 100 words. Folio post a flat writing paper, usually 17 by 24 inches.
v. t.	1.	To put a serial number on each folio or page of (a book); to page.
a.	1.	Formed of sheets each folded once, making two leaves, or four pages; as, a folio volume. See Folio, n., 3.

Noun	1.	folio - the system of numbering pages Synonyms: page number, pagination, paging
	2.	folio - a sheet of any written or printed material (especially in a manuscript or book) Synonyms: leaf
	3.	folio - 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"

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