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English definition of “beacon”

beacon

noun [C] uk   /ˈbiː.kən/ us  
a light or fire on the top of a hill that acts as a warning or signal: As part of the centenary celebrations a chain of beacons was lit across the region.figurative She was a beacon of hope in troubled times.
(Definition of beacon from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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