quarto

adj. of the quarto size, sized approximately 9.5 x 12 inches (about books or paper)

n. paper size measuring approximately 9.5 x 12 inches; book of this size

Quarto could refer to:Quarto, in bookbinding and publishing, when four leaves of a book are created from a standard size sheet of paperQuarto (board game), a board game for two players made by Family Games Inc.Quarto, Italy, a commune in the province of NaplesWikimedia Quarto, a quarterly newsletter published by the Wikimedia Foundationbad quarto, of William Shakespeare's printed works.first quarto, of William Shakespeare's printed works.second quarto, of William Shakespeare's printed works.
See more at Wikipedia.org...

Noun
1. the size of a book whose pages are made by folding a sheet of paper twice to form four leaves
(synonym) 4to
(hypernym) size

adv. quarto, of the quarto size, fourth

adj. fourth

n. quarter, one fourth; watch