last

   an ancient northern European unit used in measuring large quantities, either by mass or volume or both. "Last" is the German word for "load," a meaning which also survives in the English word "ballast." Generally the last is approximately 4000 pounds (about 1800 kilograms) as a mass unit or 80 bushels (about 3 cubic meters) as a volume unit. In the U.S., a last of wool was formerly 12 sacks at 364 pounds per sack, or 4368 pounds (1981.3 kilograms). In the Netherlands, the last is a metric unit of volume equal to exactly 3 cubic meters. In Germany, where the last was previously a volume unit equal to 2.819 cubic meters, it's also a metric unit of mass equal to 2 metric tons (about 4409 pounds). In Britain, a Riga last of timber is 80 cubic feet (2.265 cubic meters) of square-sawn timber.