Geofence
noun, verb ·Uncommon ·Advanced level
Definitions
- 1 A virtual perimeter around a geographic area, typically enforced by monitoring the positions of trackable mobile devices inside or outside the area, and determining if they cross the "fence".
"To make the location data more useful to its customers, uLocate has developed some enhancements. For instance, users can set up "geofences" around specific locations; when a phone enters or leaves that area, an alert is triggered. This could be used to let parents know, by e-mail or SMS, when a child reaches school."
- 2 a virtual perimeter for a real-world geographic area wordnet
- 1 To provide a geofence around (an area). transitive
"In this adventure you have built the hardware and software for a fully functional passenger lift, just like the lifts inside real buildings. By doing this, you have used many of the skills you learnt by working through all of the adventures in this book, including sensing the players' position, geo-fencing the lift shaft, moving the player, building blocks automatically, sensing when a block has been hit, interfacing with electronic circuits, using Python lists, developing and testing a program one step at a time, and many more amazing things!"
Example
More examples"To make the location data more useful to its customers, uLocate has developed some enhancements. For instance, users can set up "geofences" around specific locations; when a phone enters or leaves that area, an alert is triggered. This could be used to let parents know, by e-mail or SMS, when a child reaches school."
Etymology
From geo- + fence.
Related phrases
More for "geofence"
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.