- beacon⇄beacon, noun, verb.
- beacon⇄noun 1. a light or fire used as a signal to guide or warn.
Ex. The fire on the hill was a beacon to Highlanders that the British were coming.
2. a marker, signal light, or radio beams that guides aircraft and ships, especially through fog an - beacon⇄v.i. 1. to shine brightly, like a beacon.
2. to serve as a beacon. - beacon⇄v.t. 1. to give light to; guide; warn.
2. to supply or mark with beacons.