/ˈɹeɪdɑː(ɹ)/
noun
A method of detecting distant objects and determining their position, velocity, or other characteristics by analysis of sent radio waves (usually microwaves) reflected from their surfacesA type of system using such method, differentiated by platform, configuration, frequency, power, and other technical attributes.An installation of such a system or of the transmitting and receiving apparatus.A superior ability to detect something.verb
To scan with radar, or as if with radar.