Definition of term:: Octavo

  • A technical term used to indicate how many times a single printed page has been folded to make a gathering in a book. However, in modern usage it indicates the size of a modern novel, that is, between 8" to 10" tall. Abbreviated as 8vo., it DOES NOT mean "eight volumes."
French: in-octavo ou in-8
German: Oktav
Source: What bookdealers really mean. A dictionary by Tom Congalton and Dan Gregory (Between the Covers), with additions from other sources