an ancient Roman unit of liquid measure equal to a little less than seven pints
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 konkhē, konkhos shellful