Home Learn Tonneau Decanter Staff November 10, 2010 Unit of volume equal to 900 litres, used in Bordeaux for trade in bulk wine. Written by Latest Wine News Decanter magazine December 2025: See what’s inside Photo highlights from Decanter Fine Wine Encounter Singapore 2025 Peter Fraser, Yangarra Estate winemaker, dies at 51 The ethical drinker: Climate ‘trailblazers’ championed in new book Wine prices: Which is Europe’s most expensive country?