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   ra·dar

   /ˈrāˌdär/

   noun

   • 1. a system for detecting the presence, direction, distance, and speed of aircraft, ships, and other objects, by sending out pulses of high-frequency electromagnetic waves that are reflected off the object back to the source.
   • ▪ an apparatus used for radar.
   • ▪ used to indicate that someone or something has or has not come to the attention of a person or group: "the band has been kind of off the radar these past few years"

   Word Origin 1940s: from ra(dio) d(etection) a(nd) r(anging).

   Scrabble Points: 6

   • R

     1

   • A

     1

   • D

     2

   • A

     1

   • R

     1

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