Global Positioning System: a global system of U.S. navigational satellites developed to provide precise positional and velocity data and global time synchronization for air, sea, and land travel.
2.
an electronic system that uses these satellites to determine the position of a vehicle, person, etc.:
The car is equipped with GPS, so I'm sure we won't get lost.
3.
a receiver that determines its position by analyzing the satellite signals it receives:
When we go on hikes, we use a GPS.
gps
1.
gallons per second.
Also, GPS, g.p.s.
Examples from the web for GPS
This device frequently appears as an optional subsystem built into GPS receivers.
British Dictionary definitions for GPS
GPS
abbreviation
1.
global positioning system
2.
(in Australia) Great Public Schools; used of a group of mainly nonstate schools, and of sporting competitions between them