An informal unit of mass equal to 50 kilograms or approximately 110.231 pounds, close to the traditional British hundredweight of 112 pounds. This unit is also known by its German name, the zentner, or (in English) the centner
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}