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folio

[foh-lee-oh] /ˈfoʊ liˌoʊ/
noun, plural folios.
1.
a sheet of paper folded once to make two leaves, or four pages, of a book or manuscript.
2.
a volume having pages of the largest size, formerly made from such a sheet.
3.
a leaf of a manuscript or book numbered only on the front side.
4.
a case that, when closed, covers and protects both the screen and the back panel of a mobile device, as a tablet or smartphone.
5.
Printing.
  1. (in a book) the number of each page.
  2. (in a newspaper) the number of each page together with the date and the name of the newspaper.
6.
Bookkeeping. a page of an account book or a left-hand page and a right-hand page facing each other and having the same serial number.
7.
Law. a certain number of words, in the U.S. generally 100, taken as a unit for computing the length of a document.
adjective
8.
pertaining to or having the format of a folio:
a folio volume.
verb (used with object), folioed, folioing.
9.
to number each leaf or page of.
10.
Law. to mark each folio in (a pleading or the like) with the proper number.
Origin of folio
1525-1535
1525-35; < Latin foliō (orig. in phrase in foliō in a leaf, sheet), ablative of folium folium

folio verso

[foh-lee-oh vur-soh; Latin foh-lee-oh wer-soh] /ˈfoʊ liˌoʊ ˈvɜr soʊ; Latin ˈfoʊ liˌoʊ ˈwɛr soʊ/
noun
1.
the back of the page; verso (opposed to folio recto).
Origin
From Latin
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for folio
Contemporary Examples
Historical Examples
  • The Rector spoke with an obvious effort, got his hand off the page and closed the folio.

  • I would not take my folio paper for this epistle, and now I repent it.

  • Nor can we regard as aught other such terms as 'leaf' or 'folio,' which is also 'leaf.'

  • He was seated at a table, and had a large old German folio open before him.

    The Gypsies Charles G. Leland
  • He had got through January and February in five folio volumes, when he died in 1658.

    The Book-Hunter

    John Hill Burton
  • We have only to consider the absurdity of a handy-volume Gibbon or a folio Lamb.

    The Booklover and His Books Harry Lyman Koopman
  • The generally used descriptions of size, from folio down to 48mo.

    A Book for All Readers Ainsworth Rand Spofford
  • But the whole truth as regards the folio was not to be divulged yet.

  • But it is another thing when Lamb says, “I do not care for a first folio of Shakespeare.”

    The Library Andrew Lang
British Dictionary definitions for folio

folio

/ˈfəʊlɪəʊ/
noun (pl) -lios
1.
a sheet of paper folded in half to make two leaves for a book or manuscript
2.
a book or manuscript of the largest common size made up of such sheets
3.
a leaf of paper or parchment numbered on the front side only
4.
a page number in a book
5.
(law) a unit of measurement of the length of legal documents, determined by the number of words, generally 72 or 90 in Britain and 100 in the US
6.
(NZ) a collection of related material
adjective
7.
relating to or having the format of a folio: a folio edition
verb -lios, -lioing, -lioed
8.
(transitive) to number the leaves of (a book) consecutively
Word Origin
C16: from Latin phrase in foliō in a leaf, from folium leaf
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for folio
n.

mid-15c., from Late Latin folio "leaf or sheet of paper," from Latin folio, ablative of folium "leaf," from PIE *bhulyom "leaf" (cf. Greek phyllon "leaf," Gaelic bile "leaflet, blossom"), from root *bhel- (2) "to blow, inflate, swell" (see bole). Ablative of location, because this was used in page references. Meaning "volume of the largest size" first attested 1620s.

Online Etymology Dictionary, © 2010 Douglas Harper
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8
9
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