pharos(redirected from Prospective Huntington at Risk Observational Study)
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[Latin, from Greek, after Pharos, a peninsula, formerly an island, in the Mediterranean Sea at Alexandria, Egypt, and site of an ancient lighthouse, one of the Seven Wonders of the World.]
(Historical Terms) a large Hellenistic lighthouse built on an island off Alexandria in Egypt in about 280 bc and destroyed by an earthquake in the 14th century: usually included among the Seven Wonders of the World
1. a small peninsula in N Egypt, near Alexandria: site of ancient lighthouse built during the reign of Ptolemy II.
2. the lighthouse on this peninsula.