navigationsystem
nounUK /ˌnævɪˈɡeɪʃən ˈsɪstəm/
US /ˌnævɪˈɡeɪʃən ˈsɪstəm/
A tool that helps you find out where you are and how to get where you want to go.
The car's navigation system told us to turn left at the next street.
OTHER MEANINGS
2. The equipment on a ship or plane that helps the crew know where it is going.
The pilot checked the navigation system before takeoff.
3. A set of links on a website that helps people move between pages.
The website's navigation system makes it easy to find the help page.
4. The way an animal finds its way from one place to another.
Birds use a natural navigation system to fly south in winter.