What does the word folio mean?

Usage examples for folio

  1. He has put on his spectacles and wielded his feather- brush, in order to dust the leaves of a folio with greater care. – The Care of Books by John Willis Clark
  2. Moreover, they have occasionally preserved for us work nowhere else to be obtained, as, for instance, in the remarkable folio which has supplied Mr. Bullen with so much of his invaluable collection of Old Plays. – A History of English Literature Elizabethan Literature by George Saintsbury
  3. This letter, the original of which is preserved in Simancas, covers about seventy folio pages in the copy belonging to me. – History-of-the-Conquest-of-Peru-with-a-preliminary-view-of-the-civilization-of-the-Incas by Prescott, William Hickling