ORACLES, answers from the gods to questions from seekers for knowledge or advice for the future, usually in equivocal form, so as to fit any event, also places where such answers were given forth usually by a priest or priestess
ORC, a sea monster, foiled by Rogero when about to devour Angelica
OREADS, nymphs of mountains and hills
ORESTES, son of Agamemnon and Clytemnestra, because of his crime in killing his mother, he was pursued by the Furies until purified by Minerva
ORION, youthful giant, loved by Diana, Constellation
ORITHYIA, a nymph, seized by Boreas
ORLANDO, a famous knight and nephew of Charlemagne
ORMUZD (Greek, Oromasdes), son of Supreme Being, source of good as his brother Ahriman (Arimanes) was of evil, in Persian or Zoroastrian religion
ORPHEUS, musician, son of Apollo and Calliope, See EURYDICE
OSIRIS, the most beneficent of the Egyptian gods