Bulfinch's Mythology

Aurora, identical with Eos, goddess of the dawn,

Aurora Borealis, splendid nocturnal luminosity in northern sky, called Northern Lights, probably electrical,

Autumn, attendant of Phoebus, the Sun,

Avalon, land of the Blessed, an earthly paradise in the Western Seas, burial place of King Arthur,

Avatar, name for any of the earthly incarnations of Vishnu, the Preserver (Hindu god),

Aventine, Mount, one of the Seven Hills of Rome,

Avernus, a miasmatic lake close to the promontory between Cumae and Puteoli, filling the crater of an extinct volcano, by the ancients thought to be the entrance to the infernal regions,

Avicenna, celebrated Arabian physician and philosopher,

Aya, mother of Rinaldo,

Aymon, Duke, father of Rinaldo and Bradamante,