Boreas
The name of the north wind blowing from the Hyperborean mountains. According to the poets, he was son of Astraeus and Aurora. Boreas is said by Homer to have turned himself into a horse out of love for the muses of Ericthonius. (Il. xx. 223.) Bosporus (Oxford). The name of any straits among the Greeks, but especially applied to the Thracian Bosporus (Channel of Constantinople), which unites the Propontis or Sea of Marmora with the Euxine or Black Sea; and the Cimmerian Bosporus (Straits. of Kaffa), which unites the Palus Maeotis or Sea of Azof with the Euxine or Black Sea.