A traditional Scottish unit of volume equal to 4 Scots pecks. This is about 36.3 liters for wheat, peas, or beans, or about 48.6 liters for oats or barley. The firlot corresponds closely to the U.S. and British bushel
Russ Rowlett (Director), How Many? A Dictionary of Units of Measurement, Center for Mathematics and Science Education University of North Carolina, USA 2005. http://www.unc.edu/~rowlett/units/dictA.html, (Unit of Meas and Covr Factors - Amer) {608}