Definition of "GPS"
GPS
proper noun
(navigation) Initialism of Global Positioning System (“U.S. military-based satellite navigation system”).
noun
plural GPSes
(cartography) Initialism of global positioning system (“satellite navigation system”).
(navigation) Initialism of Global Positioning System (“U.S. military-based satellite navigation system”).
plural GPSes
(cartography) Initialism of global positioning system (“satellite navigation system”).