GIS
abbreviation for 1. (Computer Science) geographic(al) information system: a system for storing, editing, and displaying geographical information on computer
2. (Social Welfare) (in Canada)guaranteed income supplement
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014