(chiefly historical) A large vessel, especially a thin-necked clay vat used in ancient Greece and Rome for storing and transporting wine and oil.

(historical) A Roman unit of liquid measure reckoned as the volume of 80 Roman pounds of wine and equivalent to about 26 L although differing slightly over time.

(historical) A Roman unit of ship capacity, similar to tonnage.

(botany) A lower valve of a fruit that opens transversely.