Standard Lemma guide

octavo

noun · 3 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

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1

noun

Meaning 1

A sheet of paper 7 to 10 inches (= 17.78 to 25.4 cm) high and 4.5 to 6 inches (= 11.43 to 15.24 cm) wide, the size varying with the large original sheet used to create it. It is made by folding the original sheet three times to produce eight leaves.

Definition source: English Wiktionary via Wiktextract

Qualifier: paper

Topics: media, printing, publishing

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

A book of octavo pages.

Definition source: English Wiktionary via Wiktextract

Topics: media, printing, publishing

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

the size of a book whose pages are made by folding a sheet of paper three times to form eight leaves

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: eightvo, 8vo

Antonyms: none provided

Broader terms: size

History

Etymology

From Latin octavo. Doublet of octave, oitava, and ochava.

Across languages

Translations

3 source translations are retained for this English entry.

  • Catalan: octau — paper size
  • Czech: osmerka — paper size
  • Catalan: octau — book size