folio
noun /ˈfəʊliəʊ/
/ˈfəʊliəʊ/
(plural folios)
- a book made with large sheets of paper, especially as used in early printing
- a folio edition
- (specialist) a single sheet of paper from a bookTopics Literature and writingc2
Word Originlate Middle English: from Latin, ablative of folium ‘leaf’, in medieval Latin used in references to mean ‘on leaf so-and-so’. The original sense of in folio (from Italian in foglio) was ‘in the form of a full-sized sheet or leaf folded once’ (designating the largest size of book).