pharos
noun/ˈfɛəɹɒs/
Etymology From Ancient Greek Φάρος (Pháros).
1
Historical An ancient lighthouse or beacon to guide sailors.
- He […] built a Pharos, or Light House.1727, John Arbuthnot, Tables of Ancient Coins, Weights and Measures. Explain'd and exemplify'd in several dissertations:
2
Figuratively That which stands out; a shining light.
- The house was not very felicitously titled, said many: it was no academic pharos.1956, Anthony Burgess, Time for a Tiger (The Malayan Trilogy), published 1972, page 39: