What is the meaning of Folio?

A leaf of a book or manuscript.

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

  1. A page number. The even folios are on the left-hand pages and the odd folios on the right-hand pages.
  2. A sheet of paper folded in half.
  3. A book made of sheets of paper each folded in half (two leaves or four pages to the sheet); hence, a book of the largest kind, exceeding 30 centimetres in height.

    A page number. The even folios are on the left-hand pages and the odd folios on the right-hand pages.

    A sheet of paper folded in half.

    A book made of sheets of paper each folded in half (two leaves or four pages to the sheet); hence, a book of the largest kind, exceeding 30 centimetres in height.

    A wrapper for loose papers.

    A page in an account book; sometimes, two opposite pages bearing the same serial number.

    A leaf containing a certain number of words; hence, a certain number of words in a piece of writing, as in England, in law proceedings 72, and in chancery, 90; in New York, 100 words.

    To put a serial number on (a folio or page, or on all the folios or pages of a book); to foliate, to page.

    leaf

    sheet

    foil (very thin sheet of metal)

    leaf

    (thin) sheet

    folio (leaf/sheet of paper)

    folio

    dative/ablative singular of folium

    folio

    folio

    folio (leaf/sheet of paper)

    first-person singular present indicative of foliar

    Source: wiktionary.org