Cask

Cask is essentially synonymous with barrel — a wooden vessel used for aging spirits. The term 'cask' is more common in Scotch whisky terminology; 'barrel' is more common in Bourbon. The cask is the single most important tool in producing aged spirits. Different cask types and sizes produce dramatically different flavour profiles. Standard sizes include the bourbon barrel (200 litres), the hogshead (250 litres), the butt (500 litres), and the puncheon (470 litres). Smaller casks accelerate aging through more spirit-to-wood contact; larger casks slow it. With 168 mentions across 8 categories on LivCheers, 'cask' is most associated with premium Scotch and aged spirits.

Ex-Bourbon casks are the foundation of most Scotch — used American oak barrels that contributed Bourbon flavour, then resold to Scotch distilleries. They impart vanilla, coconut, and toffee. Ex-sherry casks (Oloroso, Pedro Ximénez, Amontillado) bring dried fruit, nuts, chocolate, and spice. Wine casks (Port, Madeira, Sauternes) add fruit and complexity. Single cask whiskies come from one specific cask — usually bottled at higher proof than standard releases. Cask strength bottlings preserve the whisky's natural alcohol level (typically 50-60% ABV) without dilution to standard 40-43% ABV.