plural quartos
1
: the size of a piece of paper cut four from a sheet
also : paper or a page of this size
2
: a book printed on quarto pages

Examples of quarto in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The poem was published in Shakespeare’s 1609 quarto of 154 sonnets, which wasn’t widely popular in its day. Sonja Anderson, Smithsonian Magazine, 10 Mar. 2025 Packaged as popular entertainment, quartos weren’t meant to last. Ellen Wexler, Smithsonian Magazine, 21 Apr. 2023

Word History

Etymology

Latin, ablative of quartus fourth

First Known Use

1580, in the meaning defined at sense 1

Time Traveler
The first known use of quarto was in 1580

Browse Nearby Words

Cite this Entry

“Quarto.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/quarto. Accessed 15 Apr. 2025.

Kids Definition

plural quartos
: a book made up of sheets of paper that have been folded into four leaves

More from Merriam-Webster on quarto

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!