adj · 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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UK:/ˈkwɔːtəɹi/
US:/ˈkwɔɹtəɹi/
US:/ˈkwɔɹ.tə.ɹi/
1
adj
Meaning 1
Synonym of quaternary: Of the fourth rank or order, fourth in a series.
Definition source: English Wiktionary via Wiktextract
Usage: not-comparable, obsolete, proscribed
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: quaternary
Antonyms: none provided
2
noun
Meaning 2
Synonym of quartarius, quarter-sextarius, a Roman unit of liquid measure equivalent to about 0.14 L
Definition source: English Wiktionary via Wiktextract
Usage: historical, obsolete, rare
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: quartarius, quarter-sextarius
Antonyms: none provided
3
noun
Meaning 3
A Roman unit of mass, one-fourth of a Roman pound.
Definition source: English Wiktionary via Wiktextract
Usage: historical, obsolete, rare
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
History
Etymology
From Latin quārtus (“fourth”) + -ary (adjective-forming suffix) within English in place of the correct form quaternary.
From Latin quārtārius (“quarter-sextarius, quarter-pint”), from quārtus (“fourth”) + -ārius (“-ary: forming adj.”). Equivalent to quart + -ary. Doublet of quartarius.