WAAS is an acronym for the Wide Area Augmentation System, an air navigation aid to supplement GPS. WAAS, Waas, or WaaS may also refer to: Waas (surname) Wide area application services, technology developed by Cisco Systems Wilmington Academy of Arts and Sciences Windows as a Service, a business model for Windows 10 Workplace as a Service, a cloud-computing service World Academy of Art and Science, international organization This disambiguation page lists articles associated with the title WAAS.If an internal link led you here, you may wish to change the link to point directly to the intended article.