radar
radarnoun
UK/ˈreɪdɑː/US/ˈreɪdɑːr/
C1a system that uses radio waves to find the position of things such as planes
- The plane disappeared from the radar.
UK/ˈreɪdɑː/US/ˈreɪdɑːr/
C1a system that uses radio waves to find the position of things such as planes