geo-fence

Noun

geofence (plural geofences)

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...1986, PC Magazine: The Independent Guide to IBM-standard Personal Computing, volume 23, New York, N.Y.: PC Communications Corporation, →ISSN, →OCLC, page 82, column 2

See all 2 meanings of geofence