quartarius

From Latin quārtārius (“one-fourth”), from quārtus (“fourth”) + -ārius (“-ary: forming adj.”) from its relation to the sextarius. Doublet of quartary.

quartarius (plural quartariuses or quartarii)

1. (historical) A Roman unit of liquid measure reckoned as the volume of 5/12 Roman pound of wine and equivalent to about 0.14 L although varying slightly over time.

• quarter-sextarius, quarter-pint (Roman contexts); quartary (obsolete)

• (unit of liquid measure): lingula (1/12 quartarius), cyathus (⅓ quartarius), acetabulum (½ quartarius), hemina (2 quartariuses), sextarius (4 quartariuses), congius (24 quartariuses), urna (96 quartariuses), amphora (192 quartariuses), culeus (3840 quartariuses)

From quārtus (“fourth”) +‎ -ārius (“-ary”, adjective-forming suffix), from its relation to the sextarius.

• (Classical Latin) IPA^(key): [kʷaːrˈtaː.ri.ʊs]
• (modern Italianate Ecclesiastical) IPA^(key): [kʷarˈt̪aː.ri.us]

quārtārius m (genitive quārtāriī or quārtārī); second declension

1. (historical) quartarius, a Roman unit of liquid measure equivalent to about 0.14 L

Second-declension noun.

¹Found in older Latin (until the Augustan Age).

• (unit of liquid measure): lingula (1/12 quartarius), cyathus (⅓ quartarius), acetabulum (½ quartarius), hemina (2 quartarii), sextarius (4 quartarii), congius (24 quartarii), urna (96 quartarii), amphora (192 quartarii), culeus (3840 quartarii)

• Catalan: quarter
• → English: quartary, quartarius