satnav
noun [ U or C ] UK uk/ˈsæt.næv/ us/ˈsæt.næv/
卫星导航，卫星定位（satellite navigation的缩写）
abbreviation for satellite navigation: a system of computers and satellites, used in cars and other places that tell you where something is, where you are, or how to get to a place
Many cars are now fitted with satnav. 现在许多小车都配置有卫星导航装置。
Synonym: GPS