Barrel

A barrel is a container of a cylindrical shape. Klingon bloodwine is often transported in barrels. 

Jadzia Dax brought three barrels aboard the in 2373. After they returned from rescuing the crew of the, General Martok asked Major Kira to have several barrels waiting for them when they reached Deep Space 9. 

In 2374, Benjamin Sisko made a bet with Martok that whoever set foot on Deep Space 9 first would be owed a barrel. Sisko was the first to board DS9, but told Martok they would share the barrel together. 

In late 2375, Worf gave several barrels of bloodwine to several crewmembers of the before their mission to the Badlands. He did not pay for them at the time.