Meanings
plural quartos
- countableuncountablepaperA size of paper (7.5"-10" x 10"-12.5" or 190-254 x 254-312 mm). Formed by folding and cutting one of several standard sizes of paper (15"-20" x 20"-25" or 381-508 x 508-635 mm) twice to form 4 leaves (eight sides).
- UKcountableuncountablepaperQuarto writing paper (10 inches x 8 inches)
- countableuncountablemediaA book size, corresponding to the paper size.
Beneath an old ebony table were two long carved oak chests. I lifted the lid of one, and at the top was a once-white surplice covered with dust, and beneath was a mass of tracts — Commonwealth Quartos, unbound — a prey to worms and decay.
1880, William Blades, The Enemies of Books, page 40
Synonyms & antonyms
More synonyms by meaning
nounthe size of a book whose pages are made by folding a sheet of paper twice to form four leaves
Synonym sets from Open English WordNet, CC BY 4.0.
Origin
- Latinquartus“fourth”
- Englishquarto
From Latin quartus (“fourth”).
More words from Latin
Full word history & related roots →Translations
Bulgarian кварто
- кварто (kvarto)paper size
Catalan quart, quart
- quartpaper size
- quartbook size
Rhymes & wordplay
Anagrams
Cite this entry
quarto. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/quarto
“quarto.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/quarto. Accessed November 2, 2026.
WatkinsX Dictionary, s.v. “quarto,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/quarto.
Source: quarto on Wiktionary, CC BY-SA 4.0.