navigational system
/ˌnævɪˈɡeɪʃənəl ˈsɪstəm/
noun
-
A set of tools or technology used to determine and display a position and find or follow a route.
B1countableformal
- "The ship uses a navigational system to find its way through the fog."B1
- "The car's navigational system calculated the fastest route to the airport."B2
- "Many smartphones now come with built-in navigational systems."B1