n. 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 surfacesn. A type of system using such method, differentiated by platform, configuration, frequency, power, and other technical attributes.n. An installation of such a system or of the transmitting and receiving apparatus.n. A superior ability to detect something.v. To scan with radar, or as if with radar.