Standard Lemma guide

quarto

noun · 4 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • Received-Pronunciation: /ˈkwɔː.təʊ/
  • General-American: /ˈkwɔɹ.toʊ/
  • US: Recorded audio is listed in the source snapshot.
  • CMU ARPABET: K W AO1 R T OW0 Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

A 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).

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Qualifier: paper

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

A 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).

Quarto writing paper (10 inches x 8 inches)

Definition source: English Wiktionary via Wiktextract

Usage: UK, countable, uncountable

Qualifier: paper

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

A book size, corresponding to the paper size.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: media, printing, publishing

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

the size of a book whose pages are made by folding a sheet of paper twice to form four leaves

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: 4to

Antonyms: none provided

Broader terms: size

History

Etymology

From Latin quartus (“fourth”).

Across languages

Translations

3 source translations are retained for this English entry.

  • Bulgarian: кварто (kvarto) — paper size
  • Catalan: quart — paper size
  • Catalan: quart — book size
Real reading context

quarto in complete knowledge articles