Definitions:

1. a fire, usually on a hill or tower, that can be seen from a distance noun
   • Many beacons were ignited to alert people of the impending invasion.
2. to guide with a beacon verb
   • The lighthouse beacons the sailors to land safely.
3. to shine like a beacon verb
   • My torch beaconed to the others that it was safe to approach.

Synonyms:

• beacon fire
• beacon light
• lighthouse
• pharos
• radio beacon