Meaning of the word quarto in English

What does quarto mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

quarto

US /ˈkwɔːr.toʊ/
UK /ˈkwɔː.təʊ/
"quarto" picture

Noun

a book or pamphlet made up of one or more sheets of paper on which 8 pages of text are printed, folded twice to form four leaves

Example:
The rare first edition was a small quarto.
Many of Shakespeare's plays were originally published as quartos.