1. plural of firkin: small wooden casks or barrels, typically holding about 9 gallons
Usage: historical; brewing
2. plural of firkin: units of measurement for various commodities, especially butter (56 pounds)
Usage: historical; archaic

Examples

• The brewery stored ale in wooden firkins.
• Historical records show butter was sold by firkins.
• The merchant ordered several firkins for the tavern.
• Old firkins were often reused for different purposes.
• The cooper crafted new firkins for the distillery.
• Firkins were standard containers in colonial America.