beacon

Từ điển Oxford Advanced Learner 8th

bea·con [beacon beacons] BrE [ˈbiːkən] NAmE [ˈbiːkən] noun
1. a light that is placed somewhere to guide vehicles and warn them of danger
•a navigation beacon
• (figurative)He was a beacon of hope for the younger generation.
see also ↑Belisha beacon
2. a radio station whose signal helps ships and aircraft to find their position
•The plane was guided in by radio beacon.
3. (in the past) a fire lit on top of a hill as a signal

Word Origin:
Old English bēacn ‘sign, portent, ensign’, of West Germanic origin; related to ↑beckon.

• Từ đồng nghĩa / Synonyms:
  lighthouse, beacon light, pharos, radio beacon, beacon fire