Definify.com
Webster 1913 Edition
Folio
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.
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.
Fol′io
,Verb.
T.
To put a serial number on each folio or page of (a book); to page.
Fol′io
,Adj.
Formed of sheets each folded once, making two leaves, or four pages; , 3.
as, a
. See folio
volumeFolio
, Noun.
Webster 1828 Edition
Folio
FO'LIO
,Noun.
1.
A book of the largest size, formed by once doubling a sheet of paper.2.
Among merchants, a page, or rather both the right and left hand pages of an account book, expressed by the same figure.