pensum
pensum
(ˈpɛnsəm)n
1. (Education) a piece of work or a task to be completed, esp a school exercise
2. (Education) a piece of extra school work set as a form of punishment
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014