noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   Abbreviation of quarto, a paper size. abbreviation, alt-of, countable, uncountable
2. 2
   the size of a book whose pages are made by folding a sheet of paper twice to form four leaves wordnet
3. 3
   Abbreviation of quarto, a corresponding book size. abbreviation, alt-of, countable, uncountable

Synonyms

All synonyms

4ºqqquartoquarto

Etymology

From Latin quārtō, ablative case singular of quārtus (“fourth”).

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.