FOLIO (3)
Source: 567
Fol″io, a. Formed of sheets each folded once, making two leaves, or four pages; as, a folio volume. See Folio, n., 3.
Source: 567
Fol″io, a. Formed of sheets each folded once, making two leaves, or four pages; as, a folio volume. See Folio, n., 3.