- the page size of a book made up of printer's sheets folded into eight leaves: the usual size of each leaf is 6 by 9 inches
- a book consisting of pages of this size
Origin of octavo; from Classical Latin (in) octavo, (in) eight, ablative of octavus: see octave
consisting of pages of this size
- The page size, from 5 by 8 inches to 6 by 9.5 inches, of a book composed of printer's sheets folded into eight leaves.
- A book composed of octavo pages. In both senses also called eightvo.
Origin of octavoMedieval Latin (in) octav&omacron;, (in) an eighth, from Latin, ablative sing. of octavus, eighth, from oct&omacron;, eight; see okt&omacron;(u) in Indo-European roots.
- (paper, printing) A sheet of paper 7 to 10 inches high and 4.5 to 6 inches wide, the size varying with the large original sheet used to create it. Made by folding the original sheet three times to produce eight leaves.
- (printing) A book of octavo pages.