Definition of satnav noun from the Oxford Advanced Learner's Dictionary

 

satnav

 noun
(also sat nav)noun
BrE BrE//ˈsætnæv//
 
; NAmE NAmE//ˈsætnæv//
 
[uncountable, countable](British English) Parts of a car
 
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the abbreviation for satellite navigation (a computer system that uses information obtained from satellites to guide the driver of a vehicle) The drivers all have satnav in the van. She switched on the satnav system before she left the airport. This satnav is very easy to use. compare GPS See related entries: Parts of a car