A traditional British unit of volume, varying considerably but usually more than a bushel. A convenient equivalent is 2 Imperial bushels (roughly 2.5 cubic feet or 73 liters)
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}