Sentence:  The term "radar <WSD>netting</WSD>" (fig 43) describes the process by which track data derived from several additional or remote radars are gathered at a single center to produce an integrated set of meaningful target information which can be distributed to all AD elements concerned. [...] Radar <WSD>netting</WSD> can provide concurrent coverage of a selected area by more than one radar. 
Meaning of the word marked with <WSD> tags:  Something that acts as, or looks like, a net.