workstream (?w??k?stri?m) n (Industrial Relations & HR Terms) commerce any one of the areas of activity into which a company?s business may be dividedCollins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014