from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The page size, from 5 by 8 inches to 6 by 9 1/2 inches, of a book composed of printer's sheets folded into eight leaves.
- n. A book composed of octavo pages.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. 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.
- n. A book of octavo pages.
from the GNU version of the Collaborative International Dictionary of English
- n. 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°.
- adj. Having eight leaves to a sheet
from The Century Dictionary and Cyclopedia
- 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.
- n. 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.
- n. A sheet of paper evenly folded to make eight leaves and sixteen pages.
- n. A form of type containing eight pages.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the size of a book whose pages are made by folding a sheet of paper three times to form eight leaves
Medieval Latin (in) octāvō, (in) an eighth, from Latin, ablative sing. of octāvus, eighth, from octō, eight.(American Heritage® Dictionary of the English Language, Fourth Edition)