beacon:1

noun
bea*con \ ˈbē-kən \
14th century{ds||3||}
  • a lighthouse or other signal for guidance
  • a radio transmitter emitting signals to guide aircraft
  • a source of light or inspiration

beacon:2

verb
beacon \
1650{ds|i|||}
  • to shine as a beacon
  • to furnish with a signal or a source of light or inspiration : to furnish with a beacon

beacon of hope

noun phrase
beacon of hope \
  • something that holds the promise of hope

radar beacon

noun
radar beacon \
1945
  • a radar transmitter that upon receiving a radar signal emits a signal which reinforces the normal reflected signal or which introduces a code into the reflected signal especially for identification purposes

radio beacon

noun
radio beacon \
1919
  • a radio transmitting station that transmits special radio signals for use (as on a landing field) in determining the direction or position of those receiving them
Powered by Merriam-Webster