Thrave : A traditional measure of grain in Scotland and northern England. A thrave is usually 24 sheaves, each about 30 inches (76 centimeters) in circumference
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}