radar beacon: Meaning and Definition of

ra'dar bea"con

Pronunciation: [key]
  1. a radar device at a fixed location that, on receiving a radar signal, automatically transmits a particular radar signal in reply, identifying itself and enabling navigators of ships and aircraft to determine their distance and direction from it. Also called
Random House Unabridged Dictionary, Copyright 1997, by Random House, Inc., on Infoplease.