quarto: Meaning and Definition of
Pronunciation: (kwôr'tō), [key]
— n., pl. adj. -tos,
- a book size of about 9 × 12 in. (24 × 30 cm), determined by folding printed sheets twice to form four leaves or eight pages. Symbol: 4to, 4°
- a book of this size.
- bound in quarto.
- quarto (Thesaurus)