Origin of congiusMiddle English ; from Classical Latin ; from Classical Greek konchos, a measure, origin, originally , conch
- Abbr. c. or cong. Pharmacology A gallon.
- An ancient Roman measure for liquids, equal to about seven eighths of a US gallon (3.3 liters).
Origin of congiusMiddle English, a liquid measure, from Latin, from Greek konkhion, diminutive of konkh&emacron;, konkhos, shellful.