octavo

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.

A sheet of paper evenly folded to make eight leaves and sixteen pages.

A form of type containing eight pages.

Having eight leaves to a sheet; formed of sheets of paper so folded as to make eight leaves to the sheet: as, an octavo volume.

A book or pamphlet every section or gathering of which contains eight leaves, each leaf supposed to be one eighth of the sheet printed: usually written 8vo.

A book composed of sheets each of which is folded into eight leaves; hence, indicating more or less definitely a size of book so made; — usually written 8vo or 8°.

Having eight leaves to a sheet

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.

A book of octavo pages.