bačva

1. barrel; cask
   Vino odležava u hrastovim bačvama dve godine. — The wine is aged in oak barrels for two years.
   Deda je u podrumu imao tri bačve rakije. — Grandpa had three barrels of rakija in the cellar.

In everyday speech bure is more common; bačva usually means a large wooden wine barrel.