quarto

A noun referring to a book size made by folding a sheet of paper twice to create four leaves, or a book of this size.

• 🇨🇳指将整张纸对折两次形成的四开书本格式，即每张纸裁成四页；也指这种开本的书。

1. Book size C1 formal

   A book size resulting from folding a sheet of paper twice to create four leaves (eight pages).

   • The rare edition was printed in quarto format.
   • Many of Shakespeare's plays were originally published in quarto.
   • The library has a collection of early quarto volumes.

   🇨🇳四开本

• quartos plural form
• quartos' possessive plural form
• quarto's possessive singular form