WAAS stands for Wide-Area Application Services (Cisco)
WAAS stands for Wide Area Augmentation System (GPS)
WAAS stands for World Academy of Art and Science (est. 1960)
WAAS stands for Washington Alternate Assessment System (student performance)
WAAS stands for WHS (Washington Headquarters Services) Allotment Accounting System
WAAS stands for Wide-Area Airborne Surveillance System (US Air Force)
WAAS stands for Whelen All American Series (National Association for Stock Car Racing)
WAAS stands for World Aircraft Accident Summary (database)
WAAS stands for Website as a Service (various companies)
WAAS