Standard Lemma guide

congius

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.

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Pronunciation

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1

noun

Meaning 1

A Roman unit of liquid measure reckoned as the volume of 10 Roman pounds of wine and equivalent to about 3.3 L although differing slightly over time.

Definition source: English Wiktionary via Wiktextract

Usage: historical

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

A Roman unit of mass instituted by Vespasian equivalent to about 3.3 kg, the weight of a congius of water.

Definition source: English Wiktionary via Wiktextract

Usage: historical

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

a British imperial capacity measure (liquid or dry) equal to 4 quarts or 4.545 liters

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: gallon, Imperial gallon

Antonyms: none provided

Broader terms: British capacity unit, Imperial capacity unit

History

Etymology

From Latin congius, from Ancient Greek κογχίον (konkhíon), from κόγχη (kónkhē) and κόγχος (kónkhos, “mussel shell”) + -ίον (-íon, “-y: forming diminutives”).